[PATCH] add asm-generic/mman.h

Make new MADV_REMOVE, MADV_DONTFORK, MADV_DOFORK consistent across all
arches.  The idea is to make it possible to use them portably even before
distros include them in libc headers.

Move common flags to asm-generic/mman.h

Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
Cc: Roland Dreier <rolandd@cisco.com>
Cc: Badari Pulavarty <pbadari@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 30 deletions

diff --git a/include/asm-powerpc/mman.h b/include/asm-powerpc/mman.h
index fcff25d13f13..24cf664a8295 100644
--- a/include/asm-powerpc/mman.h
+++ b/include/asm-powerpc/mman.h
@@ -1,6 +1,8 @@
 #ifndef _ASM_POWERPC_MMAN_H
 #define _ASM_POWERPC_MMAN_H
 
+#include <asm-generic/mman.h>
+
 /*
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -8,19 +10,6 @@
  * 2 of the License, or (at your option) any later version.
  */
 
-#define PROT_READ       0x1             /* page can be read */
-#define PROT_WRITE      0x2             /* page can be written */
-#define PROT_EXEC       0x4             /* page can be executed */
-#define PROT_SEM        0x8             /* page may be used for atomic ops */
-#define PROT_NONE       0x0             /* page can not be accessed */
-#define PROT_GROWSDOWN  0x01000000      /* mprotect flag: extend change to start of growsdown vma */
-#define PROT_GROWSUP    0x02000000      /* mprotect flag: extend change to end of growsup vma */
-
-#define MAP_SHARED      0x01            /* Share changes */
-#define MAP_PRIVATE     0x02            /* Changes are private */
-#define MAP_TYPE        0x0f            /* Mask for type of mapping */
-#define MAP_FIXED       0x10            /* Interpret addr exactly */
-#define MAP_ANONYMOUS   0x20            /* don't use a file */
 #define MAP_RENAME      MAP_ANONYMOUS   /* In SunOS terminology */
 #define MAP_NORESERVE   0x40            /* don't reserve swap pages */
 #define MAP_LOCKED      0x80
@@ -29,27 +18,10 @@
 #define MAP_DENYWRITE   0x0800          /* ETXTBSY */
 #define MAP_EXECUTABLE  0x1000          /* mark it as an executable */
 
-#define MS_ASYNC        1               /* sync memory asynchronously */
-#define MS_INVALIDATE   2               /* invalidate the caches */
-#define MS_SYNC         4               /* synchronous memory sync */
-
 #define MCL_CURRENT     0x2000          /* lock all currently mapped pages */
 #define MCL_FUTURE      0x4000          /* lock all additions to address space */
 
 #define MAP_POPULATE    0x8000          /* populate (prefault) pagetables */
 #define MAP_NONBLOCK    0x10000         /* do not block on IO */
 
-#define MADV_NORMAL     0x0             /* default page-in behavior */
-#define MADV_RANDOM     0x1             /* page-in minimum required */
-#define MADV_SEQUENTIAL 0x2             /* read-ahead aggressively */
-#define MADV_WILLNEED   0x3             /* pre-fault pages */
-#define MADV_DONTNEED   0x4             /* discard these pages */
-#define MADV_REMOVE     0x5             /* remove these pages & resources */
-#define MADV_DONTFORK   0x30            /* dont inherit across fork */
-#define MADV_DOFORK     0x31            /* do inherit across fork */
-
-/* compatibility flags */
-#define MAP_ANON        MAP_ANONYMOUS
-#define MAP_FILE        0
-
 #endif  /* _ASM_POWERPC_MMAN_H */