diff --git a/libc/kernel/common/linux/dm-ioctl.h b/libc/kernel/common/linux/dm-ioctl.h
index aa9521f..ead7744 100644
--- a/libc/kernel/common/linux/dm-ioctl.h
+++ b/libc/kernel/common/linux/dm-ioctl.h
@@ -7,133 +7,140 @@
  ***   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_DM_IOCTL_V4_H
 #define _LINUX_DM_IOCTL_V4_H
+
 #include <linux/types.h>
+
 #define DM_DIR "mapper"  
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define DM_MAX_TYPE_NAME 16
 #define DM_NAME_LEN 128
 #define DM_UUID_LEN 129
+
 struct dm_ioctl {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
  uint32_t version[3];
  uint32_t data_size;
+
  uint32_t data_start;
+
  uint32_t target_count;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int32_t open_count;
  uint32_t flags;
  uint32_t event_nr;
  uint32_t padding;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
  uint64_t dev;
+
  char name[DM_NAME_LEN];
  char uuid[DM_UUID_LEN];
  char data[7];
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
+
 struct dm_target_spec {
  uint64_t sector_start;
  uint64_t length;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int32_t status;
+
  uint32_t next;
+
  char target_type[DM_MAX_TYPE_NAME];
+
 };
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 struct dm_target_deps {
  uint32_t count;
  uint32_t padding;
  uint64_t dev[0];
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
+
 struct dm_name_list {
  uint64_t dev;
  uint32_t next;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  char name[0];
 };
+
 struct dm_target_versions {
  uint32_t next;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  uint32_t version[3];
+
  char name[0];
 };
+
 struct dm_target_msg {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  uint64_t sector;
+
  char message[0];
 };
+
 enum {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
  DM_VERSION_CMD = 0,
  DM_REMOVE_ALL_CMD,
  DM_LIST_DEVICES_CMD,
+
  DM_DEV_CREATE_CMD,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  DM_DEV_REMOVE_CMD,
  DM_DEV_RENAME_CMD,
  DM_DEV_SUSPEND_CMD,
  DM_DEV_STATUS_CMD,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  DM_DEV_WAIT_CMD,
+
  DM_TABLE_LOAD_CMD,
  DM_TABLE_CLEAR_CMD,
  DM_TABLE_DEPS_CMD,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  DM_TABLE_STATUS_CMD,
+
  DM_LIST_VERSIONS_CMD,
  DM_TARGET_MSG_CMD,
  DM_DEV_SET_GEOMETRY_CMD
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
+
 #define DM_IOCTL 0xfd
+
 #define DM_VERSION _IOWR(DM_IOCTL, DM_VERSION_CMD, struct dm_ioctl)
 #define DM_REMOVE_ALL _IOWR(DM_IOCTL, DM_REMOVE_ALL_CMD, struct dm_ioctl)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define DM_LIST_DEVICES _IOWR(DM_IOCTL, DM_LIST_DEVICES_CMD, struct dm_ioctl)
+
 #define DM_DEV_CREATE _IOWR(DM_IOCTL, DM_DEV_CREATE_CMD, struct dm_ioctl)
 #define DM_DEV_REMOVE _IOWR(DM_IOCTL, DM_DEV_REMOVE_CMD, struct dm_ioctl)
 #define DM_DEV_RENAME _IOWR(DM_IOCTL, DM_DEV_RENAME_CMD, struct dm_ioctl)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define DM_DEV_SUSPEND _IOWR(DM_IOCTL, DM_DEV_SUSPEND_CMD, struct dm_ioctl)
 #define DM_DEV_STATUS _IOWR(DM_IOCTL, DM_DEV_STATUS_CMD, struct dm_ioctl)
 #define DM_DEV_WAIT _IOWR(DM_IOCTL, DM_DEV_WAIT_CMD, struct dm_ioctl)
+
 #define DM_TABLE_LOAD _IOWR(DM_IOCTL, DM_TABLE_LOAD_CMD, struct dm_ioctl)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define DM_TABLE_CLEAR _IOWR(DM_IOCTL, DM_TABLE_CLEAR_CMD, struct dm_ioctl)
 #define DM_TABLE_DEPS _IOWR(DM_IOCTL, DM_TABLE_DEPS_CMD, struct dm_ioctl)
 #define DM_TABLE_STATUS _IOWR(DM_IOCTL, DM_TABLE_STATUS_CMD, struct dm_ioctl)
+
 #define DM_LIST_VERSIONS _IOWR(DM_IOCTL, DM_LIST_VERSIONS_CMD, struct dm_ioctl)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #define DM_TARGET_MSG _IOWR(DM_IOCTL, DM_TARGET_MSG_CMD, struct dm_ioctl)
 #define DM_DEV_SET_GEOMETRY _IOWR(DM_IOCTL, DM_DEV_SET_GEOMETRY_CMD, struct dm_ioctl)
+
 #define DM_VERSION_MAJOR 4
 #define DM_VERSION_MINOR 14
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define DM_VERSION_PATCHLEVEL 0
 #define DM_VERSION_EXTRA "-ioctl (2008-04-23)"
+
 #define DM_READONLY_FLAG (1 << 0)  
 #define DM_SUSPEND_FLAG (1 << 1)  
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define DM_PERSISTENT_DEV_FLAG (1 << 3)  
+
 #define DM_STATUS_TABLE_FLAG (1 << 4)  
+
 #define DM_ACTIVE_PRESENT_FLAG (1 << 5)  
 #define DM_INACTIVE_PRESENT_FLAG (1 << 6)  
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #define DM_BUFFER_FULL_FLAG (1 << 8)  
+
 #define DM_SKIP_BDGET_FLAG (1 << 9)  
+
 #define DM_SKIP_LOCKFS_FLAG (1 << 10)  
+
 #define DM_NOFLUSH_FLAG (1 << 11)  
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #endif