diff --git a/libc/kernel/common/linux/module.h b/libc/kernel/common/linux/module.h
index 3c449c6..00a41c2 100644
--- a/libc/kernel/common/linux/module.h
+++ b/libc/kernel/common/linux/module.h
@@ -7,108 +7,109 @@
  ***   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_MODULE_H
 #define _LINUX_MODULE_H
-
 #include <linux/sched.h>
 #include <linux/spinlock.h>
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <linux/list.h>
 #include <linux/stat.h>
 #include <linux/compiler.h>
 #include <linux/cache.h>
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <linux/kmod.h>
 #include <linux/elf.h>
 #include <linux/stringify.h>
 #include <linux/kobject.h>
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <linux/moduleparam.h>
 #include <asm/local.h>
-
 #include <asm/module.h>
-
 #define MODULE_SUPPORTED_DEVICE(name)
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #ifndef MODULE_SYMBOL_PREFIX
 #define MODULE_SYMBOL_PREFIX ""
 #endif
-
 #define MODULE_NAME_LEN (64 - sizeof(unsigned long))
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct kernel_symbol
 {
  unsigned long value;
  const char *name;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
-
 struct modversion_info
 {
  unsigned long crc;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  char name[MODULE_NAME_LEN];
 };
-
 struct module;
-
 struct module_attribute {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct attribute attr;
  ssize_t (*show)(struct module_attribute *, struct module *, char *);
  ssize_t (*store)(struct module_attribute *, struct module *,
  const char *, size_t count);
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  void (*setup)(struct module *, const char *);
  int (*test)(struct module *);
  void (*free)(struct module *);
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct module_kobject
 {
  struct kobject kobj;
  struct module *mod;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
-
 struct exception_table_entry;
-
 #ifdef MODULE
 #define MODULE_GENERIC_TABLE(gtype,name)  extern const struct gtype##_id __mod_##gtype##_table   __attribute__ ((unused, alias(__stringify(name))))
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define THIS_MODULE (&__this_module)
 #else
 #define MODULE_GENERIC_TABLE(gtype,name)
 #define THIS_MODULE ((struct module *)0)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
-
 #define MODULE_INFO(tag, info) __MODULE_INFO(tag, tag, info)
-
 #define MODULE_ALIAS(_alias) MODULE_INFO(alias, _alias)
-
 #define MODULE_LICENSE(_license) MODULE_INFO(license, _license)
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define MODULE_AUTHOR(_author) MODULE_INFO(author, _author)
-
 #define MODULE_DESCRIPTION(_description) MODULE_INFO(description, _description)
-
 #define MODULE_PARM_DESC(_parm, desc)   __MODULE_INFO(parm, _parm, #_parm ":" desc)
-
 #define MODULE_DEVICE_TABLE(type,name)   MODULE_GENERIC_TABLE(type##_device,name)
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define MODULE_VERSION(_version) MODULE_INFO(version, _version)
-
 struct notifier_block;
-
 #define EXPORT_SYMBOL(sym)
 #define EXPORT_SYMBOL_GPL(sym)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define EXPORT_SYMBOL_GPL_FUTURE(sym)
 #define EXPORT_UNUSED_SYMBOL(sym)
 #define EXPORT_UNUSED_SYMBOL_GPL(sym)
-
 #define symbol_get(x) ({ extern typeof(x) x __attribute__((weak)); &(x); })
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define symbol_put(x) do { } while(0)
 #define symbol_put_addr(x) do { } while(0)
 #define module_name(mod) "kernel"
 #define __unsafe(mod)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define module_put_and_exit(code) do_exit(code)
-
+struct device_driver;
 struct module;
-
 #define symbol_request(x) try_then_request_module(symbol_get(x), "symbol:" #x)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define __MODULE_STRING(x) __stringify(x)
 #endif