diff --git a/libc/kernel/common/linux/interrupt.h b/libc/kernel/common/linux/interrupt.h
index f48592f..7ac8d5d 100644
--- a/libc/kernel/common/linux/interrupt.h
+++ b/libc/kernel/common/linux/interrupt.h
@@ -7,115 +7,125 @@
  ***   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 _LINUX_INTERRUPT_H
 #define _LINUX_INTERRUPT_H
-
 #include <linux/kernel.h>
 #include <linux/linkage.h>
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <linux/bitops.h>
 #include <linux/preempt.h>
 #include <linux/cpumask.h>
 #include <linux/irqreturn.h>
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <linux/hardirq.h>
 #include <linux/sched.h>
 #include <linux/irqflags.h>
 #include <asm/atomic.h>
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <asm/ptrace.h>
 #include <asm/system.h>
-
 #define IRQF_TRIGGER_NONE 0x00000000
 #define IRQF_TRIGGER_RISING 0x00000001
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define IRQF_TRIGGER_FALLING 0x00000002
 #define IRQF_TRIGGER_HIGH 0x00000004
 #define IRQF_TRIGGER_LOW 0x00000008
 #define IRQF_TRIGGER_MASK (IRQF_TRIGGER_HIGH | IRQF_TRIGGER_LOW |   IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define IRQF_TRIGGER_PROBE 0x00000010
-
 #define IRQF_DISABLED 0x00000020
 #define IRQF_SAMPLE_RANDOM 0x00000040
 #define IRQF_SHARED 0x00000080
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define IRQF_PROBE_SHARED 0x00000100
 #define IRQF_TIMER 0x00000200
 #define IRQF_PERCPU 0x00000400
-
 #define SA_INTERRUPT IRQF_DISABLED
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SA_SAMPLE_RANDOM IRQF_SAMPLE_RANDOM
 #define SA_SHIRQ IRQF_SHARED
 #define SA_PROBEIRQ IRQF_PROBE_SHARED
 #define SA_PERCPU IRQF_PERCPU
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SA_TRIGGER_LOW IRQF_TRIGGER_LOW
 #define SA_TRIGGER_HIGH IRQF_TRIGGER_HIGH
 #define SA_TRIGGER_FALLING IRQF_TRIGGER_FALLING
 #define SA_TRIGGER_RISING IRQF_TRIGGER_RISING
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SA_TRIGGER_MASK IRQF_TRIGGER_MASK
-
 struct irqaction {
  irqreturn_t (*handler)(int, void *, struct pt_regs *);
  unsigned long flags;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  cpumask_t mask;
  const char *name;
  void *dev_id;
  struct irqaction *next;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int irq;
  struct proc_dir_entry *dir;
 };
-
 #define local_irq_enable_in_hardirq() local_irq_enable()
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define disable_irq_nosync_lockdep(irq) disable_irq_nosync(irq)
 #define disable_irq_lockdep(irq) disable_irq(irq)
 #define enable_irq_lockdep(irq) enable_irq(irq)
-
 #ifndef __ARCH_SET_SOFTIRQ_PENDING
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define set_softirq_pending(x) (local_softirq_pending() = (x))
 #define or_softirq_pending(x) (local_softirq_pending() |= (x))
 #endif
-
 #define save_flags(x) save_flags(&x)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define save_and_cli(x) save_and_cli(&x)
-
 enum
 {
  HI_SOFTIRQ=0,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  TIMER_SOFTIRQ,
  NET_TX_SOFTIRQ,
  NET_RX_SOFTIRQ,
  BLOCK_SOFTIRQ,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  TASKLET_SOFTIRQ
 };
-
 struct softirq_action
 {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  void (*action)(struct softirq_action *);
  void *data;
 };
-
 #define __raise_softirq_irqoff(nr) do { or_softirq_pending(1UL << (nr)); } while (0)
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct tasklet_struct
 {
  struct tasklet_struct *next;
  unsigned long state;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  atomic_t count;
  void (*func)(unsigned long);
  unsigned long data;
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define DECLARE_TASKLET(name, func, data)  struct tasklet_struct name = { NULL, 0, ATOMIC_INIT(0), func, data }
-
 #define DECLARE_TASKLET_DISABLED(name, func, data)  struct tasklet_struct name = { NULL, 0, ATOMIC_INIT(1), func, data }
-
 enum
 {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  TASKLET_STATE_SCHED,
  TASKLET_STATE_RUN
 };
-
 #define tasklet_trylock(t) 1
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define tasklet_unlock_wait(t) do { } while (0)
 #define tasklet_unlock(t) do { } while (0)
-
 #endif