diff --git a/libc/kernel/common/asm-generic/4level-fixup.h b/libc/kernel/common/asm-generic/4level-fixup.h
index 91ae7f4..dddba1b 100644
--- a/libc/kernel/common/asm-generic/4level-fixup.h
+++ b/libc/kernel/common/asm-generic/4level-fixup.h
@@ -7,36 +7,40 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _4LEVEL_FIXUP_H
 #define _4LEVEL_FIXUP_H
-
 #define __ARCH_HAS_4LEVEL_HACK
 #define __PAGETABLE_PUD_FOLDED
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PUD_SIZE PGDIR_SIZE
 #define PUD_MASK PGDIR_MASK
 #define PTRS_PER_PUD 1
-
 #define pud_t pgd_t
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define pmd_alloc(mm, pud, address)   ((unlikely(pgd_none(*(pud))) && __pmd_alloc(mm, pud, address))?   NULL: pmd_offset(pud, address))
-
 #define pud_alloc(mm, pgd, address) (pgd)
 #define pud_offset(pgd, start) (pgd)
 #define pud_none(pud) 0
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define pud_bad(pud) 0
 #define pud_present(pud) 1
 #define pud_ERROR(pud) do { } while (0)
 #define pud_clear(pud) pgd_clear(pud)
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #undef pud_free_tlb
 #define pud_free_tlb(tlb, x) do { } while (0)
 #define pud_free(x) do { } while (0)
 #define __pud_free_tlb(tlb, x) do { } while (0)
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #undef pud_addr_end
 #define pud_addr_end(addr, end) (end)
-
 #endif
diff --git a/libc/kernel/common/asm-generic/audit_dir_write.h b/libc/kernel/common/asm-generic/audit_dir_write.h
index 1327b59..878419c 100644
--- a/libc/kernel/common/asm-generic/audit_dir_write.h
+++ b/libc/kernel/common/asm-generic/audit_dir_write.h
@@ -7,5 +7,12 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
diff --git a/libc/kernel/common/asm-generic/bitops/__ffs.h b/libc/kernel/common/asm-generic/bitops/__ffs.h
index 3d135bd..ecc1939 100644
--- a/libc/kernel/common/asm-generic/bitops/__ffs.h
+++ b/libc/kernel/common/asm-generic/bitops/__ffs.h
@@ -7,13 +7,19 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _ASM_GENERIC_BITOPS___FFS_H_
 #define _ASM_GENERIC_BITOPS___FFS_H_
-
 #include <asm/types.h>
-
 #if BITS_PER_LONG == 64
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
 #endif
diff --git a/libc/kernel/common/asm-generic/bitops/atomic.h b/libc/kernel/common/asm-generic/bitops/atomic.h
index 5f53ba9..b054bc9 100644
--- a/libc/kernel/common/asm-generic/bitops/atomic.h
+++ b/libc/kernel/common/asm-generic/bitops/atomic.h
@@ -7,17 +7,22 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _ASM_GENERIC_BITOPS_ATOMIC_H_
 #define _ASM_GENERIC_BITOPS_ATOMIC_H_
-
 #include <asm/types.h>
-
 #define BITOP_MASK(nr) (1UL << ((nr) % BITS_PER_LONG))
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define BITOP_WORD(nr) ((nr) / BITS_PER_LONG)
-
 #define _atomic_spin_lock_irqsave(l,f) do { local_irq_save(f); } while (0)
 #define _atomic_spin_unlock_irqrestore(l,f) do { local_irq_restore(f); } while (0)
-
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
diff --git a/libc/kernel/common/asm-generic/bitops/ffz.h b/libc/kernel/common/asm-generic/bitops/ffz.h
index 18da271..1f2eba5 100644
--- a/libc/kernel/common/asm-generic/bitops/ffz.h
+++ b/libc/kernel/common/asm-generic/bitops/ffz.h
@@ -7,11 +7,17 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _ASM_GENERIC_BITOPS_FFZ_H_
 #define _ASM_GENERIC_BITOPS_FFZ_H_
-
 #define ffz(x) __ffs(~(x))
-
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
diff --git a/libc/kernel/common/asm-generic/bitops/find.h b/libc/kernel/common/asm-generic/bitops/find.h
index 8361cfe..0de0f7d 100644
--- a/libc/kernel/common/asm-generic/bitops/find.h
+++ b/libc/kernel/common/asm-generic/bitops/find.h
@@ -7,12 +7,18 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _ASM_GENERIC_BITOPS_FIND_H_
 #define _ASM_GENERIC_BITOPS_FIND_H_
-
 #define find_first_bit(addr, size) find_next_bit((addr), (size), 0)
 #define find_first_zero_bit(addr, size) find_next_zero_bit((addr), (size), 0)
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
diff --git a/libc/kernel/common/asm-generic/bitops/fls.h b/libc/kernel/common/asm-generic/bitops/fls.h
index 8adbf31..e4326b7 100644
--- a/libc/kernel/common/asm-generic/bitops/fls.h
+++ b/libc/kernel/common/asm-generic/bitops/fls.h
@@ -7,9 +7,15 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _ASM_GENERIC_BITOPS_FLS_H_
 #define _ASM_GENERIC_BITOPS_FLS_H_
-
 #endif
diff --git a/libc/kernel/common/asm-generic/bitops/fls64.h b/libc/kernel/common/asm-generic/bitops/fls64.h
index af77098..3769f63 100644
--- a/libc/kernel/common/asm-generic/bitops/fls64.h
+++ b/libc/kernel/common/asm-generic/bitops/fls64.h
@@ -7,11 +7,17 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _ASM_GENERIC_BITOPS_FLS64_H_
 #define _ASM_GENERIC_BITOPS_FLS64_H_
-
 #include <asm/types.h>
-
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
diff --git a/libc/kernel/common/asm-generic/bitops/le.h b/libc/kernel/common/asm-generic/bitops/le.h
index 97ca973..9d6dd78 100644
--- a/libc/kernel/common/asm-generic/bitops/le.h
+++ b/libc/kernel/common/asm-generic/bitops/le.h
@@ -7,47 +7,47 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _ASM_GENERIC_BITOPS_LE_H_
 #define _ASM_GENERIC_BITOPS_LE_H_
-
 #include <asm/types.h>
 #include <asm/byteorder.h>
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define BITOP_WORD(nr) ((nr) / BITS_PER_LONG)
 #define BITOP_LE_SWIZZLE ((BITS_PER_LONG-1) & ~0x7)
-
 #ifdef __LITTLE_ENDIAN
-
 #define generic_test_le_bit(nr, addr) test_bit(nr, addr)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define generic___set_le_bit(nr, addr) __set_bit(nr, addr)
 #define generic___clear_le_bit(nr, addr) __clear_bit(nr, addr)
-
 #define generic_test_and_set_le_bit(nr, addr) test_and_set_bit(nr, addr)
 #define generic_test_and_clear_le_bit(nr, addr) test_and_clear_bit(nr, addr)
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define generic___test_and_set_le_bit(nr, addr) __test_and_set_bit(nr, addr)
 #define generic___test_and_clear_le_bit(nr, addr) __test_and_clear_bit(nr, addr)
-
 #define generic_find_next_zero_le_bit(addr, size, offset) find_next_zero_bit(addr, size, offset)
-
 #elif defined(__BIG_ENDIAN)
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define generic_test_le_bit(nr, addr)   test_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
 #define generic___set_le_bit(nr, addr)   __set_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
 #define generic___clear_le_bit(nr, addr)   __clear_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
-
 #define generic_test_and_set_le_bit(nr, addr)   test_and_set_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define generic_test_and_clear_le_bit(nr, addr)   test_and_clear_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
-
 #define generic___test_and_set_le_bit(nr, addr)   __test_and_set_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
 #define generic___test_and_clear_le_bit(nr, addr)   __test_and_clear_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
-
 #else
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #error "Please fix <asm/byteorder.h>"
 #endif
-
 #define generic_find_first_zero_le_bit(addr, size)   generic_find_next_zero_le_bit((addr), (size), 0)
-
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
diff --git a/libc/kernel/common/asm-generic/bitops/non-atomic.h b/libc/kernel/common/asm-generic/bitops/non-atomic.h
index 727f736..5f2866e 100644
--- a/libc/kernel/common/asm-generic/bitops/non-atomic.h
+++ b/libc/kernel/common/asm-generic/bitops/non-atomic.h
@@ -7,14 +7,19 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _ASM_GENERIC_BITOPS_NON_ATOMIC_H_
 #define _ASM_GENERIC_BITOPS_NON_ATOMIC_H_
-
 #include <asm/types.h>
-
 #define BITOP_MASK(nr) (1UL << ((nr) % BITS_PER_LONG))
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define BITOP_WORD(nr) ((nr) / BITS_PER_LONG)
-
 #endif
diff --git a/libc/kernel/common/asm-generic/bug.h b/libc/kernel/common/asm-generic/bug.h
index d91a135..19460a7 100644
--- a/libc/kernel/common/asm-generic/bug.h
+++ b/libc/kernel/common/asm-generic/bug.h
@@ -7,27 +7,30 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _ASM_GENERIC_BUG_H
 #define _ASM_GENERIC_BUG_H
-
 #include <linux/compiler.h>
-
 #ifndef HAVE_ARCH_BUG
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define BUG()
 #endif
-
 #ifndef HAVE_ARCH_BUG_ON
 #define BUG_ON(condition) do { if (condition) ; } while(0)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
-
 #ifndef HAVE_ARCH_WARN_ON
 #define WARN_ON(condition) do { if (condition) ; } while(0)
 #endif
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define WARN_ON_ONCE(condition)  ({   static int __warn_once = 1;   int __ret = 0;     if (unlikely((condition) && __warn_once)) {   __warn_once = 0;   WARN_ON(1);   __ret = 1;   }   __ret;  })
-
 #define WARN_ON_SMP(x) do { } while (0)
-
 #endif
diff --git a/libc/kernel/common/asm-generic/cputime.h b/libc/kernel/common/asm-generic/cputime.h
index 0486b87..dbc7859 100644
--- a/libc/kernel/common/asm-generic/cputime.h
+++ b/libc/kernel/common/asm-generic/cputime.h
@@ -7,54 +7,58 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _ASM_GENERIC_CPUTIME_H
 #define _ASM_GENERIC_CPUTIME_H
-
 #include <linux/time.h>
 #include <linux/jiffies.h>
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 typedef unsigned long cputime_t;
-
 #define cputime_zero (0UL)
 #define cputime_max ((~0UL >> 1) - 1)
 #define cputime_add(__a, __b) ((__a) + (__b))
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define cputime_sub(__a, __b) ((__a) - (__b))
 #define cputime_div(__a, __n) ((__a) / (__n))
 #define cputime_halve(__a) ((__a) >> 1)
 #define cputime_eq(__a, __b) ((__a) == (__b))
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define cputime_gt(__a, __b) ((__a) > (__b))
 #define cputime_ge(__a, __b) ((__a) >= (__b))
 #define cputime_lt(__a, __b) ((__a) < (__b))
 #define cputime_le(__a, __b) ((__a) <= (__b))
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define cputime_to_jiffies(__ct) (__ct)
 #define jiffies_to_cputime(__hz) (__hz)
-
 typedef u64 cputime64_t;
-
 #define cputime64_zero (0ULL)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define cputime64_add(__a, __b) ((__a) + (__b))
 #define cputime64_sub(__a, __b) ((__a) - (__b))
 #define cputime64_to_jiffies64(__ct) (__ct)
 #define jiffies64_to_cputime64(__jif) (__jif)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define cputime_to_cputime64(__ct) ((u64) __ct)
-
 #define cputime_to_msecs(__ct) jiffies_to_msecs(__ct)
 #define msecs_to_cputime(__msecs) msecs_to_jiffies(__msecs)
-
 #define cputime_to_secs(jif) ((jif) / HZ)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define secs_to_cputime(sec) ((sec) * HZ)
-
 #define timespec_to_cputime(__val) timespec_to_jiffies(__val)
 #define cputime_to_timespec(__ct,__val) jiffies_to_timespec(__ct,__val)
-
 #define timeval_to_cputime(__val) timeval_to_jiffies(__val)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define cputime_to_timeval(__ct,__val) jiffies_to_timeval(__ct,__val)
-
 #define cputime_to_clock_t(__ct) jiffies_to_clock_t(__ct)
 #define clock_t_to_cputime(__x) clock_t_to_jiffies(__x)
-
 #define cputime64_to_clock_t(__ct) jiffies_64_to_clock_t(__ct)
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
diff --git a/libc/kernel/common/asm-generic/emergency-restart.h b/libc/kernel/common/asm-generic/emergency-restart.h
index 619c682..8cffc57 100644
--- a/libc/kernel/common/asm-generic/emergency-restart.h
+++ b/libc/kernel/common/asm-generic/emergency-restart.h
@@ -7,9 +7,15 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _ASM_GENERIC_EMERGENCY_RESTART_H
 #define _ASM_GENERIC_EMERGENCY_RESTART_H
-
 #endif
diff --git a/libc/kernel/common/asm-generic/errno-base.h b/libc/kernel/common/asm-generic/errno-base.h
index 2fb4a33..82c5a0e 100644
--- a/libc/kernel/common/asm-generic/errno-base.h
+++ b/libc/kernel/common/asm-generic/errno-base.h
@@ -7,44 +7,58 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _ASM_GENERIC_ERRNO_BASE_H
 #define _ASM_GENERIC_ERRNO_BASE_H
-
 #define EPERM 1  
 #define ENOENT 2  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ESRCH 3  
 #define EINTR 4  
 #define EIO 5  
 #define ENXIO 6  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define E2BIG 7  
 #define ENOEXEC 8  
 #define EBADF 9  
 #define ECHILD 10  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define EAGAIN 11  
 #define ENOMEM 12  
 #define EACCES 13  
 #define EFAULT 14  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ENOTBLK 15  
 #define EBUSY 16  
 #define EEXIST 17  
 #define EXDEV 18  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ENODEV 19  
 #define ENOTDIR 20  
 #define EISDIR 21  
 #define EINVAL 22  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ENFILE 23  
 #define EMFILE 24  
 #define ENOTTY 25  
 #define ETXTBSY 26  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define EFBIG 27  
 #define ENOSPC 28  
 #define ESPIPE 29  
 #define EROFS 30  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define EMLINK 31  
 #define EPIPE 32  
 #define EDOM 33  
 #define ERANGE 34  
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
diff --git a/libc/kernel/common/asm-generic/errno.h b/libc/kernel/common/asm-generic/errno.h
index 11dd00f..1ef9ba9 100644
--- a/libc/kernel/common/asm-generic/errno.h
+++ b/libc/kernel/common/asm-generic/errno.h
@@ -7,113 +7,138 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _ASM_GENERIC_ERRNO_H
 #define _ASM_GENERIC_ERRNO_H
-
 #include <asm-generic/errno-base.h>
-
 #define EDEADLK 35  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ENAMETOOLONG 36  
 #define ENOLCK 37  
 #define ENOSYS 38  
 #define ENOTEMPTY 39  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ELOOP 40  
 #define EWOULDBLOCK EAGAIN  
 #define ENOMSG 42  
 #define EIDRM 43  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ECHRNG 44  
 #define EL2NSYNC 45  
 #define EL3HLT 46  
 #define EL3RST 47  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ELNRNG 48  
 #define EUNATCH 49  
 #define ENOCSI 50  
 #define EL2HLT 51  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define EBADE 52  
 #define EBADR 53  
 #define EXFULL 54  
 #define ENOANO 55  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define EBADRQC 56  
 #define EBADSLT 57  
-
 #define EDEADLOCK EDEADLK
-
 #define EBFONT 59  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ENOSTR 60  
 #define ENODATA 61  
 #define ETIME 62  
 #define ENOSR 63  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ENONET 64  
 #define ENOPKG 65  
 #define EREMOTE 66  
 #define ENOLINK 67  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define EADV 68  
 #define ESRMNT 69  
 #define ECOMM 70  
 #define EPROTO 71  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define EMULTIHOP 72  
 #define EDOTDOT 73  
 #define EBADMSG 74  
 #define EOVERFLOW 75  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ENOTUNIQ 76  
 #define EBADFD 77  
 #define EREMCHG 78  
 #define ELIBACC 79  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ELIBBAD 80  
 #define ELIBSCN 81  
 #define ELIBMAX 82  
 #define ELIBEXEC 83  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define EILSEQ 84  
 #define ERESTART 85  
 #define ESTRPIPE 86  
 #define EUSERS 87  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ENOTSOCK 88  
 #define EDESTADDRREQ 89  
 #define EMSGSIZE 90  
 #define EPROTOTYPE 91  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ENOPROTOOPT 92  
 #define EPROTONOSUPPORT 93  
 #define ESOCKTNOSUPPORT 94  
 #define EOPNOTSUPP 95  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define EPFNOSUPPORT 96  
 #define EAFNOSUPPORT 97  
 #define EADDRINUSE 98  
 #define EADDRNOTAVAIL 99  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ENETDOWN 100  
 #define ENETUNREACH 101  
 #define ENETRESET 102  
 #define ECONNABORTED 103  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ECONNRESET 104  
 #define ENOBUFS 105  
 #define EISCONN 106  
 #define ENOTCONN 107  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ESHUTDOWN 108  
 #define ETOOMANYREFS 109  
 #define ETIMEDOUT 110  
 #define ECONNREFUSED 111  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define EHOSTDOWN 112  
 #define EHOSTUNREACH 113  
 #define EALREADY 114  
 #define EINPROGRESS 115  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ESTALE 116  
 #define EUCLEAN 117  
 #define ENOTNAM 118  
 #define ENAVAIL 119  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define EISNAM 120  
 #define EREMOTEIO 121  
 #define EDQUOT 122  
-
 #define ENOMEDIUM 123  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define EMEDIUMTYPE 124  
 #define ECANCELED 125  
 #define ENOKEY 126  
 #define EKEYEXPIRED 127  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define EKEYREVOKED 128  
 #define EKEYREJECTED 129  
-
 #define EOWNERDEAD 130  
 #define ENOTRECOVERABLE 131  
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
diff --git a/libc/kernel/common/asm-generic/fcntl.h b/libc/kernel/common/asm-generic/fcntl.h
index a53b536..0944a2a 100644
--- a/libc/kernel/common/asm-generic/fcntl.h
+++ b/libc/kernel/common/asm-generic/fcntl.h
@@ -7,142 +7,163 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _ASM_GENERIC_FCNTL_H
 #define _ASM_GENERIC_FCNTL_H
-
 #include <linux/types.h>
-
 #define O_ACCMODE 00000003
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define O_RDONLY 00000000
 #define O_WRONLY 00000001
 #define O_RDWR 00000002
 #ifndef O_CREAT
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define O_CREAT 00000100  
 #endif
 #ifndef O_EXCL
 #define O_EXCL 00000200  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
 #ifndef O_NOCTTY
 #define O_NOCTTY 00000400  
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #ifndef O_TRUNC
 #define O_TRUNC 00001000  
 #endif
 #ifndef O_APPEND
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define O_APPEND 00002000
 #endif
 #ifndef O_NONBLOCK
 #define O_NONBLOCK 00004000
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
 #ifndef O_SYNC
 #define O_SYNC 00010000
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #ifndef FASYNC
 #define FASYNC 00020000  
 #endif
 #ifndef O_DIRECT
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define O_DIRECT 00040000  
 #endif
 #ifndef O_LARGEFILE
 #define O_LARGEFILE 00100000
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
 #ifndef O_DIRECTORY
 #define O_DIRECTORY 00200000  
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #ifndef O_NOFOLLOW
 #define O_NOFOLLOW 00400000  
 #endif
 #ifndef O_NOATIME
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define O_NOATIME 01000000
 #endif
 #ifndef O_NDELAY
 #define O_NDELAY O_NONBLOCK
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
-
 #define F_DUPFD 0  
 #define F_GETFD 1  
 #define F_SETFD 2  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define F_GETFL 3  
 #define F_SETFL 4  
 #ifndef F_GETLK
 #define F_GETLK 5
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define F_SETLK 6
 #define F_SETLKW 7
 #endif
 #ifndef F_SETOWN
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define F_SETOWN 8  
 #define F_GETOWN 9  
 #endif
 #ifndef F_SETSIG
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define F_SETSIG 10  
 #define F_GETSIG 11  
 #endif
-
 #define FD_CLOEXEC 1  
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #ifndef F_RDLCK
 #define F_RDLCK 0
 #define F_WRLCK 1
 #define F_UNLCK 2
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
-
 #ifndef F_EXLCK
 #define F_EXLCK 4  
 #define F_SHLCK 8  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
-
 #ifndef F_INPROGRESS
 #define F_INPROGRESS 16
 #endif
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define LOCK_SH 1  
 #define LOCK_EX 2  
 #define LOCK_NB 4  
 #define LOCK_UN 8  
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define LOCK_MAND 32  
 #define LOCK_READ 64  
 #define LOCK_WRITE 128  
 #define LOCK_RW 192  
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define F_LINUX_SPECIFIC_BASE 1024
-
 #ifndef HAVE_ARCH_STRUCT_FLOCK
 #ifndef __ARCH_FLOCK_PAD
 #define __ARCH_FLOCK_PAD
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
-
 struct flock {
  short l_type;
  short l_whence;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  off_t l_start;
  off_t l_len;
  pid_t l_pid;
  __ARCH_FLOCK_PAD
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 #endif
-
 #ifndef F_GETLK64
 #define F_GETLK64 12  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define F_SETLK64 13
 #define F_SETLKW64 14
 #endif
-
 #ifndef HAVE_ARCH_STRUCT_FLOCK64
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #ifndef __ARCH_FLOCK64_PAD
 #define __ARCH_FLOCK64_PAD
 #endif
-
 struct flock64 {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  short l_type;
  short l_whence;
  loff_t l_start;
  loff_t l_len;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  pid_t l_pid;
  __ARCH_FLOCK64_PAD
 };
 #endif
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
diff --git a/libc/kernel/common/asm-generic/futex.h b/libc/kernel/common/asm-generic/futex.h
index 05d3afe..77f7bba 100644
--- a/libc/kernel/common/asm-generic/futex.h
+++ b/libc/kernel/common/asm-generic/futex.h
@@ -7,9 +7,15 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _ASM_GENERIC_FUTEX_H
 #define _ASM_GENERIC_FUTEX_H
-
 #endif
diff --git a/libc/kernel/common/asm-generic/ioctl.h b/libc/kernel/common/asm-generic/ioctl.h
index cba2b8e..f987314 100644
--- a/libc/kernel/common/asm-generic/ioctl.h
+++ b/libc/kernel/common/asm-generic/ioctl.h
@@ -7,52 +7,58 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _ASM_GENERIC_IOCTL_H
 #define _ASM_GENERIC_IOCTL_H
-
 #define _IOC_NRBITS 8
 #define _IOC_TYPEBITS 8
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define _IOC_SIZEBITS 14
 #define _IOC_DIRBITS 2
-
 #define _IOC_NRMASK ((1 << _IOC_NRBITS)-1)
 #define _IOC_TYPEMASK ((1 << _IOC_TYPEBITS)-1)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define _IOC_SIZEMASK ((1 << _IOC_SIZEBITS)-1)
 #define _IOC_DIRMASK ((1 << _IOC_DIRBITS)-1)
-
 #define _IOC_NRSHIFT 0
 #define _IOC_TYPESHIFT (_IOC_NRSHIFT+_IOC_NRBITS)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define _IOC_SIZESHIFT (_IOC_TYPESHIFT+_IOC_TYPEBITS)
 #define _IOC_DIRSHIFT (_IOC_SIZESHIFT+_IOC_SIZEBITS)
-
 #define _IOC_NONE 0U
 #define _IOC_WRITE 1U
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define _IOC_READ 2U
-
 #define _IOC(dir,type,nr,size)   (((dir) << _IOC_DIRSHIFT) |   ((type) << _IOC_TYPESHIFT) |   ((nr) << _IOC_NRSHIFT) |   ((size) << _IOC_SIZESHIFT))
-
 extern unsigned int __invalid_size_argument_for_IOC;
 #define _IOC_TYPECHECK(t)   ((sizeof(t) == sizeof(t[1]) &&   sizeof(t) < (1 << _IOC_SIZEBITS)) ?   sizeof(t) : __invalid_size_argument_for_IOC)
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define _IO(type,nr) _IOC(_IOC_NONE,(type),(nr),0)
 #define _IOR(type,nr,size) _IOC(_IOC_READ,(type),(nr),(_IOC_TYPECHECK(size)))
 #define _IOW(type,nr,size) _IOC(_IOC_WRITE,(type),(nr),(_IOC_TYPECHECK(size)))
 #define _IOWR(type,nr,size) _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),(_IOC_TYPECHECK(size)))
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define _IOR_BAD(type,nr,size) _IOC(_IOC_READ,(type),(nr),sizeof(size))
 #define _IOW_BAD(type,nr,size) _IOC(_IOC_WRITE,(type),(nr),sizeof(size))
 #define _IOWR_BAD(type,nr,size) _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),sizeof(size))
-
 #define _IOC_DIR(nr) (((nr) >> _IOC_DIRSHIFT) & _IOC_DIRMASK)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define _IOC_TYPE(nr) (((nr) >> _IOC_TYPESHIFT) & _IOC_TYPEMASK)
 #define _IOC_NR(nr) (((nr) >> _IOC_NRSHIFT) & _IOC_NRMASK)
 #define _IOC_SIZE(nr) (((nr) >> _IOC_SIZESHIFT) & _IOC_SIZEMASK)
-
 #define IOC_IN (_IOC_WRITE << _IOC_DIRSHIFT)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define IOC_OUT (_IOC_READ << _IOC_DIRSHIFT)
 #define IOC_INOUT ((_IOC_WRITE|_IOC_READ) << _IOC_DIRSHIFT)
 #define IOCSIZE_MASK (_IOC_SIZEMASK << _IOC_SIZESHIFT)
 #define IOCSIZE_SHIFT (_IOC_SIZESHIFT)
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
diff --git a/libc/kernel/common/asm-generic/ipc.h b/libc/kernel/common/asm-generic/ipc.h
index 57657a7..a3ba44e 100644
--- a/libc/kernel/common/asm-generic/ipc.h
+++ b/libc/kernel/common/asm-generic/ipc.h
@@ -7,31 +7,38 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _ASM_GENERIC_IPC_H
 #define _ASM_GENERIC_IPC_H
-
 struct ipc_kludge {
  struct msgbuf __user *msgp;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  long msgtyp;
 };
-
 #define SEMOP 1
 #define SEMGET 2
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SEMCTL 3
 #define SEMTIMEDOP 4
 #define MSGSND 11
 #define MSGRCV 12
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define MSGGET 13
 #define MSGCTL 14
 #define SHMAT 21
 #define SHMDT 22
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SHMGET 23
 #define SHMCTL 24
-
 #define DIPC 25
-
 #define IPCCALL(version,op) ((version)<<16 | (op))
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
diff --git a/libc/kernel/common/asm-generic/local.h b/libc/kernel/common/asm-generic/local.h
index cae0d54..c673bdf 100644
--- a/libc/kernel/common/asm-generic/local.h
+++ b/libc/kernel/common/asm-generic/local.h
@@ -7,45 +7,52 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _ASM_GENERIC_LOCAL_H
 #define _ASM_GENERIC_LOCAL_H
-
 #include <linux/percpu.h>
 #include <linux/hardirq.h>
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <asm/atomic.h>
 #include <asm/types.h>
-
 typedef struct
 {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  atomic_long_t a;
 } local_t;
-
 #define LOCAL_INIT(i) { ATOMIC_LONG_INIT(i) }
-
 #define local_read(l) atomic_long_read(&(l)->a)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define local_set(l,i) atomic_long_set((&(l)->a),(i))
 #define local_inc(l) atomic_long_inc(&(l)->a)
 #define local_dec(l) atomic_long_dec(&(l)->a)
 #define local_add(i,l) atomic_long_add((i),(&(l)->a))
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define local_sub(i,l) atomic_long_sub((i),(&(l)->a))
-
 #define __local_inc(l) local_set((l), local_read(l) + 1)
 #define __local_dec(l) local_set((l), local_read(l) - 1)
 #define __local_add(i,l) local_set((l), local_read(l) + (i))
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define __local_sub(i,l) local_set((l), local_read(l) - (i))
-
 #define cpu_local_read(v) local_read(&__get_cpu_var(v))
 #define cpu_local_set(v, i) local_set(&__get_cpu_var(v), (i))
 #define cpu_local_inc(v) local_inc(&__get_cpu_var(v))
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define cpu_local_dec(v) local_dec(&__get_cpu_var(v))
 #define cpu_local_add(i, v) local_add((i), &__get_cpu_var(v))
 #define cpu_local_sub(i, v) local_sub((i), &__get_cpu_var(v))
-
 #define __cpu_local_inc(v) __local_inc(&__get_cpu_var(v))
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define __cpu_local_dec(v) __local_dec(&__get_cpu_var(v))
 #define __cpu_local_add(i, v) __local_add((i), &__get_cpu_var(v))
 #define __cpu_local_sub(i, v) __local_sub((i), &__get_cpu_var(v))
-
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
diff --git a/libc/kernel/common/asm-generic/memory_model.h b/libc/kernel/common/asm-generic/memory_model.h
index fa7602e..4765311 100644
--- a/libc/kernel/common/asm-generic/memory_model.h
+++ b/libc/kernel/common/asm-generic/memory_model.h
@@ -7,9 +7,15 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef __ASM_MEMORY_MODEL_H
 #define __ASM_MEMORY_MODEL_H
-
 #endif
diff --git a/libc/kernel/common/asm-generic/mman.h b/libc/kernel/common/asm-generic/mman.h
index 98d2783..d454921 100644
--- a/libc/kernel/common/asm-generic/mman.h
+++ b/libc/kernel/common/asm-generic/mman.h
@@ -7,40 +7,47 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _ASM_GENERIC_MMAN_H
 #define _ASM_GENERIC_MMAN_H
-
 #define PROT_READ 0x1  
 #define PROT_WRITE 0x2  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PROT_EXEC 0x4  
 #define PROT_SEM 0x8  
 #define PROT_NONE 0x0  
 #define PROT_GROWSDOWN 0x01000000  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PROT_GROWSUP 0x02000000  
-
 #define MAP_SHARED 0x01  
 #define MAP_PRIVATE 0x02  
 #define MAP_TYPE 0x0f  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define MAP_FIXED 0x10  
 #define MAP_ANONYMOUS 0x20  
-
 #define MS_ASYNC 1  
 #define MS_INVALIDATE 2  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define MS_SYNC 4  
-
 #define MADV_NORMAL 0  
 #define MADV_RANDOM 1  
 #define MADV_SEQUENTIAL 2  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define MADV_WILLNEED 3  
 #define MADV_DONTNEED 4  
-
 #define MADV_REMOVE 9  
 #define MADV_DONTFORK 10  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define MADV_DOFORK 11  
-
 #define MAP_ANON MAP_ANONYMOUS
 #define MAP_FILE 0
-
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
diff --git a/libc/kernel/common/asm-generic/mutex-xchg.h b/libc/kernel/common/asm-generic/mutex-xchg.h
index 63a557e..7494965 100644
--- a/libc/kernel/common/asm-generic/mutex-xchg.h
+++ b/libc/kernel/common/asm-generic/mutex-xchg.h
@@ -7,10 +7,17 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _ASM_GENERIC_MUTEX_XCHG_H
 #define _ASM_GENERIC_MUTEX_XCHG_H
-
 #define __mutex_slowpath_needs_to_unlock() 0
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
diff --git a/libc/kernel/common/asm-generic/percpu.h b/libc/kernel/common/asm-generic/percpu.h
index e498300..55b8b6a 100644
--- a/libc/kernel/common/asm-generic/percpu.h
+++ b/libc/kernel/common/asm-generic/percpu.h
@@ -7,23 +7,27 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _ASM_GENERIC_PERCPU_H_
 #define _ASM_GENERIC_PERCPU_H_
 #include <linux/compiler.h>
-
 #define __GENERIC_PER_CPU
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define DEFINE_PER_CPU(type, name)   __typeof__(type) per_cpu__##name
-
 #define per_cpu(var, cpu) (*((void)(cpu), &per_cpu__##var))
 #define __get_cpu_var(var) per_cpu__##var
 #define __raw_get_cpu_var(var) per_cpu__##var
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define DECLARE_PER_CPU(type, name) extern __typeof__(type) per_cpu__##name
-
 #define EXPORT_PER_CPU_SYMBOL(var) EXPORT_SYMBOL(per_cpu__##var)
 #define EXPORT_PER_CPU_SYMBOL_GPL(var) EXPORT_SYMBOL_GPL(per_cpu__##var)
-
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
diff --git a/libc/kernel/common/asm-generic/pgtable-nopud.h b/libc/kernel/common/asm-generic/pgtable-nopud.h
index 585f816..e940ae4 100644
--- a/libc/kernel/common/asm-generic/pgtable-nopud.h
+++ b/libc/kernel/common/asm-generic/pgtable-nopud.h
@@ -7,33 +7,40 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _PGTABLE_NOPUD_H
 #define _PGTABLE_NOPUD_H
-
 #ifndef __ASSEMBLY__
-
 #define __PAGETABLE_PUD_FOLDED
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 typedef struct { pgd_t pgd; } pud_t;
-
 #define PUD_SHIFT PGDIR_SHIFT
 #define PTRS_PER_PUD 1
 #define PUD_SIZE (1UL << PUD_SHIFT)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PUD_MASK (~(PUD_SIZE-1))
-
 #define pud_ERROR(pud) (pgd_ERROR((pud).pgd))
 #define pgd_populate(mm, pgd, pud) do { } while (0)
 #define set_pgd(pgdptr, pgdval) set_pud((pud_t *)(pgdptr), (pud_t) { pgdval })
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define pud_val(x) (pgd_val((x).pgd))
 #define __pud(x) ((pud_t) { __pgd(x) } )
 #define pgd_page(pgd) (pud_page((pud_t){ pgd }))
 #define pgd_page_kernel(pgd) (pud_page_kernel((pud_t){ pgd }))
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define pud_alloc_one(mm, address) NULL
 #define pud_free(x) do { } while (0)
 #define __pud_free_tlb(tlb, x) do { } while (0)
 #undef pud_addr_end
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define pud_addr_end(addr, end) (end)
 #endif
 #endif
diff --git a/libc/kernel/common/asm-generic/pgtable.h b/libc/kernel/common/asm-generic/pgtable.h
index a21cdba..dadf386 100644
--- a/libc/kernel/common/asm-generic/pgtable.h
+++ b/libc/kernel/common/asm-generic/pgtable.h
@@ -7,89 +7,99 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _ASM_GENERIC_PGTABLE_H
 #define _ASM_GENERIC_PGTABLE_H
-
 #ifndef __HAVE_ARCH_PTEP_ESTABLISH
-
 #ifndef __HAVE_ARCH_SET_PTE_ATOMIC
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ptep_establish(__vma, __address, __ptep, __entry)  do {   set_pte_at((__vma)->vm_mm, (__address), __ptep, __entry);   flush_tlb_page(__vma, __address);  } while (0)
 #else
 #define ptep_establish(__vma, __address, __ptep, __entry)  do {   set_pte_atomic(__ptep, __entry);   flush_tlb_page(__vma, __address);  } while (0)
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
-
 #ifndef __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
-
 #define ptep_set_access_flags(__vma, __address, __ptep, __entry, __dirty)  do {   set_pte_at((__vma)->vm_mm, (__address), __ptep, __entry);   flush_tlb_page(__vma, __address);  } while (0)
 #endif
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #ifndef __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG
 #define ptep_test_and_clear_young(__vma, __address, __ptep)  ({   pte_t __pte = *(__ptep);   int r = 1;   if (!pte_young(__pte))   r = 0;   else   set_pte_at((__vma)->vm_mm, (__address),   (__ptep), pte_mkold(__pte));   r;  })
 #endif
-
 #ifndef __HAVE_ARCH_PTEP_CLEAR_YOUNG_FLUSH
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ptep_clear_flush_young(__vma, __address, __ptep)  ({   int __young;   __young = ptep_test_and_clear_young(__vma, __address, __ptep);   if (__young)   flush_tlb_page(__vma, __address);   __young;  })
 #endif
-
 #ifndef __HAVE_ARCH_PTEP_TEST_AND_CLEAR_DIRTY
 #define ptep_test_and_clear_dirty(__vma, __address, __ptep)  ({   pte_t __pte = *__ptep;   int r = 1;   if (!pte_dirty(__pte))   r = 0;   else   set_pte_at((__vma)->vm_mm, (__address), (__ptep),   pte_mkclean(__pte));   r;  })
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
-
 #ifndef __HAVE_ARCH_PTEP_CLEAR_DIRTY_FLUSH
 #define ptep_clear_flush_dirty(__vma, __address, __ptep)  ({   int __dirty;   __dirty = ptep_test_and_clear_dirty(__vma, __address, __ptep);   if (__dirty)   flush_tlb_page(__vma, __address);   __dirty;  })
 #endif
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #ifndef __HAVE_ARCH_PTEP_GET_AND_CLEAR
 #define ptep_get_and_clear(__mm, __address, __ptep)  ({   pte_t __pte = *(__ptep);   pte_clear((__mm), (__address), (__ptep));   __pte;  })
 #endif
-
 #ifndef __HAVE_ARCH_PTEP_GET_AND_CLEAR_FULL
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ptep_get_and_clear_full(__mm, __address, __ptep, __full)  ({   pte_t __pte;   __pte = ptep_get_and_clear((__mm), (__address), (__ptep));   __pte;  })
 #endif
-
 #ifndef __HAVE_ARCH_PTE_CLEAR_FULL
 #define pte_clear_full(__mm, __address, __ptep, __full)  do {   pte_clear((__mm), (__address), (__ptep));  } while (0)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
-
 #ifndef __HAVE_ARCH_PTEP_CLEAR_FLUSH
 #define ptep_clear_flush(__vma, __address, __ptep)  ({   pte_t __pte;   __pte = ptep_get_and_clear((__vma)->vm_mm, __address, __ptep);   flush_tlb_page(__vma, __address);   __pte;  })
 #endif
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #ifndef __HAVE_ARCH_PTEP_SET_WRPROTECT
 struct mm_struct;
 #endif
 #ifndef __HAVE_ARCH_PTE_SAME
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define pte_same(A,B) (pte_val(A) == pte_val(B))
 #endif
 #ifndef __HAVE_ARCH_PAGE_TEST_AND_CLEAR_DIRTY
 #define page_test_and_clear_dirty(page) (0)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define pte_maybe_dirty(pte) pte_dirty(pte)
 #else
 #define pte_maybe_dirty(pte) (1)
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #ifndef __HAVE_ARCH_PAGE_TEST_AND_CLEAR_YOUNG
 #define page_test_and_clear_young(page) (0)
 #endif
 #ifndef __HAVE_ARCH_PGD_OFFSET_GATE
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define pgd_offset_gate(mm, addr) pgd_offset(mm, addr)
 #endif
 #ifndef __HAVE_ARCH_LAZY_MMU_PROT_UPDATE
 #define lazy_mmu_prot_update(pte) do { } while (0)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
 #ifndef __HAVE_ARCH_MOVE_PTE
 #define move_pte(pte, prot, old_addr, new_addr) (pte)
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define pgd_addr_end(addr, end)  ({ unsigned long __boundary = ((addr) + PGDIR_SIZE) & PGDIR_MASK;   (__boundary - 1 < (end) - 1)? __boundary: (end);  })
 #ifndef pud_addr_end
 #define pud_addr_end(addr, end)  ({ unsigned long __boundary = ((addr) + PUD_SIZE) & PUD_MASK;   (__boundary - 1 < (end) - 1)? __boundary: (end);  })
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #ifndef pmd_addr_end
 #define pmd_addr_end(addr, end)  ({ unsigned long __boundary = ((addr) + PMD_SIZE) & PMD_MASK;   (__boundary - 1 < (end) - 1)? __boundary: (end);  })
 #endif
 #ifndef __ASSEMBLY__
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
 #endif
diff --git a/libc/kernel/common/asm-generic/poll.h b/libc/kernel/common/asm-generic/poll.h
index b8cd3da..f7b911d 100644
--- a/libc/kernel/common/asm-generic/poll.h
+++ b/libc/kernel/common/asm-generic/poll.h
@@ -7,40 +7,50 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef __ASM_GENERIC_POLL_H
 #define __ASM_GENERIC_POLL_H
-
 #define POLLIN 0x0001
 #define POLLPRI 0x0002
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define POLLOUT 0x0004
 #define POLLERR 0x0008
 #define POLLHUP 0x0010
 #define POLLNVAL 0x0020
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define POLLRDNORM 0x0040
 #define POLLRDBAND 0x0080
 #ifndef POLLWRNORM
 #define POLLWRNORM 0x0100
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
 #ifndef POLLWRBAND
 #define POLLWRBAND 0x0200
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #ifndef POLLMSG
 #define POLLMSG 0x0400
 #endif
 #ifndef POLLREMOVE
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define POLLREMOVE 0x1000
 #endif
 #ifndef POLLRDHUP
 #define POLLRDHUP 0x2000
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
-
 struct pollfd {
  int fd;
  short events;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  short revents;
 };
-
 #endif
diff --git a/libc/kernel/common/asm-generic/sections.h b/libc/kernel/common/asm-generic/sections.h
index e9eaa46..0529280 100644
--- a/libc/kernel/common/asm-generic/sections.h
+++ b/libc/kernel/common/asm-generic/sections.h
@@ -7,9 +7,15 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _ASM_GENERIC_SECTIONS_H_
 #define _ASM_GENERIC_SECTIONS_H_
-
 #endif
diff --git a/libc/kernel/common/asm-generic/siginfo.h b/libc/kernel/common/asm-generic/siginfo.h
index d6743a7..6ba48a0 100644
--- a/libc/kernel/common/asm-generic/siginfo.h
+++ b/libc/kernel/common/asm-generic/siginfo.h
@@ -7,207 +7,222 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _ASM_GENERIC_SIGINFO_H
 #define _ASM_GENERIC_SIGINFO_H
-
 #include <linux/compiler.h>
 #include <linux/types.h>
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 typedef union sigval {
  int sival_int;
  void __user *sival_ptr;
 } sigval_t;
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #ifndef __ARCH_SI_PREAMBLE_SIZE
 #define __ARCH_SI_PREAMBLE_SIZE (3 * sizeof(int))
 #endif
-
 #define SI_MAX_SIZE 128
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #ifndef SI_PAD_SIZE
 #define SI_PAD_SIZE ((SI_MAX_SIZE - __ARCH_SI_PREAMBLE_SIZE) / sizeof(int))
 #endif
-
 #ifndef __ARCH_SI_UID_T
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define __ARCH_SI_UID_T uid_t
 #endif
-
 #ifndef __ARCH_SI_BAND_T
 #define __ARCH_SI_BAND_T long
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
-
 #ifndef HAVE_ARCH_SIGINFO_T
-
 typedef struct siginfo {
  int si_signo;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int si_errno;
  int si_code;
-
  union {
  int _pad[SI_PAD_SIZE];
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct {
  pid_t _pid;
  __ARCH_SI_UID_T _uid;
  } _kill;
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct {
  timer_t _tid;
  int _overrun;
  char _pad[sizeof( __ARCH_SI_UID_T) - sizeof(int)];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  sigval_t _sigval;
  int _sys_private;
  } _timer;
-
  struct {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  pid_t _pid;
  __ARCH_SI_UID_T _uid;
  sigval_t _sigval;
  } _rt;
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct {
  pid_t _pid;
  __ARCH_SI_UID_T _uid;
  int _status;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  clock_t _utime;
  clock_t _stime;
  } _sigchld;
-
  struct {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  void __user *_addr;
 #ifdef __ARCH_SI_TRAPNO
  int _trapno;
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  } _sigfault;
-
  struct {
  __ARCH_SI_BAND_T _band;
  int _fd;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  } _sigpoll;
  } _sifields;
 } siginfo_t;
-
 #endif
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define si_pid _sifields._kill._pid
 #define si_uid _sifields._kill._uid
 #define si_tid _sifields._timer._tid
 #define si_overrun _sifields._timer._overrun
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define si_sys_private _sifields._timer._sys_private
 #define si_status _sifields._sigchld._status
 #define si_utime _sifields._sigchld._utime
 #define si_stime _sifields._sigchld._stime
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define si_value _sifields._rt._sigval
 #define si_int _sifields._rt._sigval.sival_int
 #define si_ptr _sifields._rt._sigval.sival_ptr
 #define si_addr _sifields._sigfault._addr
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #ifdef __ARCH_SI_TRAPNO
 #define si_trapno _sifields._sigfault._trapno
 #endif
 #define si_band _sifields._sigpoll._band
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define si_fd _sifields._sigpoll._fd
-
 #define __SI_KILL 0
 #define __SI_TIMER 0
 #define __SI_POLL 0
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define __SI_FAULT 0
 #define __SI_CHLD 0
 #define __SI_RT 0
 #define __SI_MESGQ 0
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define __SI_CODE(T,N) (N)
-
 #define SI_USER 0  
 #define SI_KERNEL 0x80  
 #define SI_QUEUE -1  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SI_TIMER __SI_CODE(__SI_TIMER,-2)  
 #define SI_MESGQ __SI_CODE(__SI_MESGQ,-3)  
 #define SI_ASYNCIO -4  
 #define SI_SIGIO -5  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SI_TKILL -6  
 #define SI_DETHREAD -7  
-
 #define SI_FROMUSER(siptr) ((siptr)->si_code <= 0)
 #define SI_FROMKERNEL(siptr) ((siptr)->si_code > 0)
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ILL_ILLOPC (__SI_FAULT|1)  
 #define ILL_ILLOPN (__SI_FAULT|2)  
 #define ILL_ILLADR (__SI_FAULT|3)  
 #define ILL_ILLTRP (__SI_FAULT|4)  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ILL_PRVOPC (__SI_FAULT|5)  
 #define ILL_PRVREG (__SI_FAULT|6)  
 #define ILL_COPROC (__SI_FAULT|7)  
 #define ILL_BADSTK (__SI_FAULT|8)  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define NSIGILL 8
-
 #define FPE_INTDIV (__SI_FAULT|1)  
 #define FPE_INTOVF (__SI_FAULT|2)  
 #define FPE_FLTDIV (__SI_FAULT|3)  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define FPE_FLTOVF (__SI_FAULT|4)  
 #define FPE_FLTUND (__SI_FAULT|5)  
 #define FPE_FLTRES (__SI_FAULT|6)  
 #define FPE_FLTINV (__SI_FAULT|7)  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define FPE_FLTSUB (__SI_FAULT|8)  
 #define NSIGFPE 8
-
 #define SEGV_MAPERR (__SI_FAULT|1)  
 #define SEGV_ACCERR (__SI_FAULT|2)  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define NSIGSEGV 2
-
 #define BUS_ADRALN (__SI_FAULT|1)  
 #define BUS_ADRERR (__SI_FAULT|2)  
 #define BUS_OBJERR (__SI_FAULT|3)  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define NSIGBUS 3
-
 #define TRAP_BRKPT (__SI_FAULT|1)  
 #define TRAP_TRACE (__SI_FAULT|2)  
 #define NSIGTRAP 2
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define CLD_EXITED (__SI_CHLD|1)  
 #define CLD_KILLED (__SI_CHLD|2)  
 #define CLD_DUMPED (__SI_CHLD|3)  
 #define CLD_TRAPPED (__SI_CHLD|4)  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define CLD_STOPPED (__SI_CHLD|5)  
 #define CLD_CONTINUED (__SI_CHLD|6)  
 #define NSIGCHLD 6
-
 #define POLL_IN (__SI_POLL|1)  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define POLL_OUT (__SI_POLL|2)  
 #define POLL_MSG (__SI_POLL|3)  
 #define POLL_ERR (__SI_POLL|4)  
 #define POLL_PRI (__SI_POLL|5)  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define POLL_HUP (__SI_POLL|6)  
 #define NSIGPOLL 6
-
 #define SIGEV_SIGNAL 0  
 #define SIGEV_NONE 1  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SIGEV_THREAD 2  
 #define SIGEV_THREAD_ID 4  
-
 #ifndef __ARCH_SIGEV_PREAMBLE_SIZE
 #define __ARCH_SIGEV_PREAMBLE_SIZE (sizeof(int) * 2 + sizeof(sigval_t))
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
-
 #define SIGEV_MAX_SIZE 64
 #define SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE - __ARCH_SIGEV_PREAMBLE_SIZE)   / sizeof(int))
-
 typedef struct sigevent {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  sigval_t sigev_value;
  int sigev_signo;
  int sigev_notify;
  union {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int _pad[SIGEV_PAD_SIZE];
  int _tid;
-
  struct {
  void (*_function)(sigval_t);
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  void *_attribute;
  } _sigev_thread;
  } _sigev_un;
 } sigevent_t;
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define sigev_notify_function _sigev_un._sigev_thread._function
 #define sigev_notify_attributes _sigev_un._sigev_thread._attribute
 #define sigev_notify_thread_id _sigev_un._tid
-
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
diff --git a/libc/kernel/common/asm-generic/signal.h b/libc/kernel/common/asm-generic/signal.h
index 226d99c..f106b38 100644
--- a/libc/kernel/common/asm-generic/signal.h
+++ b/libc/kernel/common/asm-generic/signal.h
@@ -7,33 +7,39 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef __ASM_GENERIC_SIGNAL_H
 #define __ASM_GENERIC_SIGNAL_H
-
 #include <linux/compiler.h>
-
 #ifndef SIG_BLOCK
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SIG_BLOCK 0  
 #endif
 #ifndef SIG_UNBLOCK
 #define SIG_UNBLOCK 1  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
 #ifndef SIG_SETMASK
 #define SIG_SETMASK 2  
 #endif
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #ifndef __ASSEMBLY__
 typedef void __signalfn_t(int);
 typedef __signalfn_t __user *__sighandler_t;
-
 typedef void __restorefn_t(void);
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 typedef __restorefn_t __user *__sigrestore_t;
-
 #define SIG_DFL ((__force __sighandler_t)0)  
 #define SIG_IGN ((__force __sighandler_t)1)  
 #define SIG_ERR ((__force __sighandler_t)-1)  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
-
 #endif
diff --git a/libc/kernel/common/asm-generic/swab.h b/libc/kernel/common/asm-generic/swab.h
index 592926d..8279332 100644
--- a/libc/kernel/common/asm-generic/swab.h
+++ b/libc/kernel/common/asm-generic/swab.h
@@ -7,17 +7,23 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _ASM_GENERIC_SWAB_H
 #define _ASM_GENERIC_SWAB_H
-
 #include <asm/bitsperlong.h>
-
 #if __BITS_PER_LONG == 32
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #if defined(__GNUC__) && (!defined(__STRICT_ANSI__) || defined(__KERNEL__))
 #define __SWAB_64_THRU_32__
 #endif
 #endif
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
diff --git a/libc/kernel/common/asm-generic/tlb.h b/libc/kernel/common/asm-generic/tlb.h
index dc1e79f..6669388 100644
--- a/libc/kernel/common/asm-generic/tlb.h
+++ b/libc/kernel/common/asm-generic/tlb.h
@@ -7,31 +7,39 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _ASM_GENERIC__TLB_H
 #define _ASM_GENERIC__TLB_H
-
 #include <linux/swap.h>
 #include <asm/pgalloc.h>
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <asm/tlbflush.h>
-
 #define FREE_PTE_NR 1
 #define tlb_fast_mode(tlb) 1
-
 struct mmu_gather {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct mm_struct *mm;
  unsigned int nr;
  unsigned int need_flush;
  unsigned int fullmm;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct page * pages[FREE_PTE_NR];
 };
-
 #define tlb_remove_tlb_entry(tlb, ptep, address)   do {   tlb->need_flush = 1;   __tlb_remove_tlb_entry(tlb, ptep, address);   } while (0)
 #define pte_free_tlb(tlb, ptep)   do {   tlb->need_flush = 1;   __pte_free_tlb(tlb, ptep);   } while (0)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #ifndef __ARCH_HAS_4LEVEL_HACK
 #define pud_free_tlb(tlb, pudp)   do {   tlb->need_flush = 1;   __pud_free_tlb(tlb, pudp);   } while (0)
 #endif
 #define pmd_free_tlb(tlb, pmdp)   do {   tlb->need_flush = 1;   __pmd_free_tlb(tlb, pmdp);   } while (0)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define tlb_migrate_finish(mm) do {} while (0)
 #endif
diff --git a/libc/kernel/common/asm-generic/topology.h b/libc/kernel/common/asm-generic/topology.h
index 089b1f2..7833d7d 100644
--- a/libc/kernel/common/asm-generic/topology.h
+++ b/libc/kernel/common/asm-generic/topology.h
@@ -7,29 +7,38 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _ASM_GENERIC_TOPOLOGY_H
 #define _ASM_GENERIC_TOPOLOGY_H
-
 #ifndef cpu_to_node
 #define cpu_to_node(cpu) (0)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
 #ifndef parent_node
 #define parent_node(node) (0)
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #ifndef node_to_cpumask
 #define node_to_cpumask(node) (cpu_online_map)
 #endif
 #ifndef node_to_first_cpu
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define node_to_first_cpu(node) (0)
 #endif
 #ifndef pcibus_to_node
 #define pcibus_to_node(node) (-1)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
-
 #ifndef pcibus_to_cpumask
 #define pcibus_to_cpumask(bus) (pcibus_to_node(bus) == -1 ?   CPU_MASK_ALL :   node_to_cpumask(pcibus_to_node(bus))   )
 #endif
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
diff --git a/libc/kernel/common/asm-generic/xor.h b/libc/kernel/common/asm-generic/xor.h
index 6b1e4e8..7aaa117 100644
--- a/libc/kernel/common/asm-generic/xor.h
+++ b/libc/kernel/common/asm-generic/xor.h
@@ -7,8 +7,14 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #include <asm/processor.h>
-
 #define XOR_TRY_TEMPLATES   do {   xor_speed(&xor_block_8regs);   xor_speed(&xor_block_8regs_p);   xor_speed(&xor_block_32regs);   xor_speed(&xor_block_32regs_p);   } while (0)