diff --git a/libc/kernel/common/linux/shm.h b/libc/kernel/common/linux/shm.h
index a7056db..ecee3e8 100644
--- a/libc/kernel/common/linux/shm.h
+++ b/libc/kernel/common/linux/shm.h
@@ -7,68 +7,75 @@
  ***   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_SHM_H_
 #define _LINUX_SHM_H_
-
 #include <linux/ipc.h>
 #include <linux/errno.h>
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <asm/page.h>
-
 #define SHMMAX 0x2000000  
 #define SHMMIN 1  
 #define SHMMNI 4096  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SHMALL (SHMMAX/PAGE_SIZE*(SHMMNI/16))  
 #define SHMSEG SHMMNI  
-
 #include <asm/shmparam.h>
-
 struct shmid_ds {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct ipc_perm shm_perm;
  int shm_segsz;
  __kernel_time_t shm_atime;
  __kernel_time_t shm_dtime;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __kernel_time_t shm_ctime;
  __kernel_ipc_pid_t shm_cpid;
  __kernel_ipc_pid_t shm_lpid;
  unsigned short shm_nattch;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  unsigned short shm_unused;
  void *shm_unused2;
  void *shm_unused3;
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <asm/shmbuf.h>
-
 #define SHM_R 0400  
 #define SHM_W 0200  
-
 #define SHM_RDONLY 010000  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SHM_RND 020000  
 #define SHM_REMAP 040000  
 #define SHM_EXEC 0100000  
-
 #define SHM_LOCK 11
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SHM_UNLOCK 12
-
 #define SHM_STAT 13
 #define SHM_INFO 14
-
 struct shminfo {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int shmmax;
  int shmmin;
  int shmmni;
  int shmseg;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int shmall;
 };
-
 struct shm_info {
  int used_ids;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  unsigned long shm_tot;
  unsigned long shm_rss;
  unsigned long shm_swp;
  unsigned long swap_attempts;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  unsigned long swap_successes;
 };
-
 #endif