diff --git a/libc/kernel/common/linux/socket.h b/libc/kernel/common/linux/socket.h
index c30dae0..99146f3 100644
--- a/libc/kernel/common/linux/socket.h
+++ b/libc/kernel/common/linux/socket.h
@@ -7,223 +7,243 @@
  ***   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_SOCKET_H
 #define _LINUX_SOCKET_H
-
 #define _K_SS_MAXSIZE 128  
 #define _K_SS_ALIGNSIZE (__alignof__ (struct sockaddr *))
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct __kernel_sockaddr_storage {
  unsigned short ss_family;
-
  char __data[_K_SS_MAXSIZE - sizeof(unsigned short)];
-
 } __attribute__ ((aligned(_K_SS_ALIGNSIZE)));
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #if !defined(__GLIBC__) || __GLIBC__ < 2
-
 #include <asm/socket.h>  
 #include <linux/sockios.h>  
 #include <linux/uio.h>  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <linux/types.h>  
 #include <linux/compiler.h>  
-
 typedef unsigned short sa_family_t;
-
 struct sockaddr {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  sa_family_t sa_family;
  char sa_data[14];
 };
-
 struct linger {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int l_onoff;
  int l_linger;
 };
-
 #define sockaddr_storage __kernel_sockaddr_storage
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct msghdr {
  void * msg_name;
  int msg_namelen;
  struct iovec * msg_iov;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __kernel_size_t msg_iovlen;
  void * msg_control;
  __kernel_size_t msg_controllen;
  unsigned msg_flags;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
-
 struct cmsghdr {
  __kernel_size_t cmsg_len;
  int cmsg_level;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int cmsg_type;
 };
-
 #define __CMSG_NXTHDR(ctl, len, cmsg) __cmsg_nxthdr((ctl),(len),(cmsg))
 #define CMSG_NXTHDR(mhdr, cmsg) cmsg_nxthdr((mhdr), (cmsg))
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define CMSG_ALIGN(len) ( ((len)+sizeof(long)-1) & ~(sizeof(long)-1) )
-
 #define CMSG_DATA(cmsg) ((void *)((char *)(cmsg) + CMSG_ALIGN(sizeof(struct cmsghdr))))
 #define CMSG_SPACE(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(len))
 #define CMSG_LEN(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define __CMSG_FIRSTHDR(ctl,len) ((len) >= sizeof(struct cmsghdr) ?   (struct cmsghdr *)(ctl) :   (struct cmsghdr *)NULL)
 #define CMSG_FIRSTHDR(msg) __CMSG_FIRSTHDR((msg)->msg_control, (msg)->msg_controllen)
 #define CMSG_OK(mhdr, cmsg) ((cmsg)->cmsg_len >= sizeof(struct cmsghdr) &&   (cmsg)->cmsg_len <= (unsigned long)   ((mhdr)->msg_controllen -   ((char *)(cmsg) - (char *)(mhdr)->msg_control)))
-
 #ifdef __GNUC__
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define __KINLINE static __inline__
 #elif defined(__cplusplus)
 #define __KINLINE static inline
 #else
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define __KINLINE static
 #endif
-
 __KINLINE struct cmsghdr * __cmsg_nxthdr(void *__ctl, __kernel_size_t __size,
  struct cmsghdr *__cmsg)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 {
  struct cmsghdr * __ptr;
-
  __ptr = (struct cmsghdr*)(((unsigned char *) __cmsg) + CMSG_ALIGN(__cmsg->cmsg_len));
  if ((unsigned long)((char*)(__ptr+1) - (char *) __ctl) > __size)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  return (struct cmsghdr *)0;
-
  return __ptr;
 }
-
 __KINLINE struct cmsghdr * cmsg_nxthdr (struct msghdr *__msg, struct cmsghdr *__cmsg)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 {
  return __cmsg_nxthdr(__msg->msg_control, __msg->msg_controllen, __cmsg);
 }
-
 #define SCM_RIGHTS 0x01  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SCM_CREDENTIALS 0x02  
 #define SCM_SECURITY 0x03  
-
 struct ucred {
  __u32 pid;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 uid;
  __u32 gid;
 };
-
 #define AF_UNSPEC 0
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define AF_UNIX 1  
 #define AF_LOCAL 1  
 #define AF_INET 2  
 #define AF_AX25 3  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define AF_IPX 4  
 #define AF_APPLETALK 5  
 #define AF_NETROM 6  
 #define AF_BRIDGE 7  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define AF_ATMPVC 8  
 #define AF_X25 9  
 #define AF_INET6 10  
 #define AF_ROSE 11  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define AF_DECnet 12  
 #define AF_NETBEUI 13  
 #define AF_SECURITY 14  
 #define AF_KEY 15  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define AF_NETLINK 16
 #define AF_ROUTE AF_NETLINK  
 #define AF_PACKET 17  
 #define AF_ASH 18  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define AF_ECONET 19  
 #define AF_ATMSVC 20  
 #define AF_SNA 22  
 #define AF_IRDA 23  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define AF_PPPOX 24  
 #define AF_WANPIPE 25  
 #define AF_LLC 26  
 #define AF_TIPC 30  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define AF_BLUETOOTH 31  
 #define AF_CAIF 38  
 #define AF_MAX 39  
-
 #define PF_UNSPEC AF_UNSPEC
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PF_UNIX AF_UNIX
 #define PF_LOCAL AF_LOCAL
 #define PF_INET AF_INET
 #define PF_AX25 AF_AX25
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PF_IPX AF_IPX
 #define PF_APPLETALK AF_APPLETALK
 #define PF_NETROM AF_NETROM
 #define PF_BRIDGE AF_BRIDGE
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PF_ATMPVC AF_ATMPVC
 #define PF_X25 AF_X25
 #define PF_INET6 AF_INET6
 #define PF_ROSE AF_ROSE
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PF_DECnet AF_DECnet
 #define PF_NETBEUI AF_NETBEUI
 #define PF_SECURITY AF_SECURITY
 #define PF_KEY AF_KEY
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PF_NETLINK AF_NETLINK
 #define PF_ROUTE AF_ROUTE
 #define PF_PACKET AF_PACKET
 #define PF_ASH AF_ASH
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PF_ECONET AF_ECONET
 #define PF_ATMSVC AF_ATMSVC
 #define PF_SNA AF_SNA
 #define PF_IRDA AF_IRDA
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PF_PPPOX AF_PPPOX
 #define PF_WANPIPE AF_WANPIPE
 #define PF_LLC AF_LLC
 #define PF_TIPC AF_TIPC
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PF_BLUETOOTH AF_BLUETOOTH
 #define PF_CAIF AF_CAIF
 #define PF_MAX AF_MAX
-
 #define SOMAXCONN 128
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define MSG_OOB 1
 #define MSG_PEEK 2
 #define MSG_DONTROUTE 4
 #define MSG_TRYHARD 4  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define MSG_CTRUNC 8
 #define MSG_PROBE 0x10  
 #define MSG_TRUNC 0x20
 #define MSG_DONTWAIT 0x40  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define MSG_EOR 0x80  
 #define MSG_WAITALL 0x100  
 #define MSG_FIN 0x200
 #define MSG_SYN 0x400
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define MSG_CONFIRM 0x800  
 #define MSG_RST 0x1000
 #define MSG_ERRQUEUE 0x2000  
 #define MSG_NOSIGNAL 0x4000  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define MSG_MORE 0x8000  
-
 #define MSG_EOF MSG_FIN
-
 #define MSG_CMSG_COMPAT 0  
-
 #define SOL_IP 0
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SOL_TCP 6
 #define SOL_UDP 17
 #define SOL_IPV6 41
 #define SOL_ICMPV6 58
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SOL_SCTP 132
 #define SOL_RAW 255
 #define SOL_IPX 256
 #define SOL_AX25 257
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SOL_ATALK 258
 #define SOL_NETROM 259
 #define SOL_ROSE 260
 #define SOL_DECNET 261
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SOL_X25 262
 #define SOL_PACKET 263
 #define SOL_ATM 264  
 #define SOL_AAL 265  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SOL_IRDA 266
 #define SOL_NETBEUI 267
 #define SOL_LLC 268
 #define SOL_DCCP 269
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SOL_NETLINK 270
 #define SOL_TIPC 271
-
 #define IPX_TYPE 1
-
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif