[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>
diff --git a/include/asm-arm/mman.h b/include/asm-arm/mman.h
index 693ed85..54570d2 100644
--- a/include/asm-arm/mman.h
+++ b/include/asm-arm/mman.h
@@ -1,19 +1,7 @@
#ifndef __ARM_MMAN_H__
#define __ARM_MMAN_H__
-#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 */
+#include <asm-generic/mman.h>
#define MAP_GROWSDOWN 0x0100 /* stack-like segment */
#define MAP_DENYWRITE 0x0800 /* ETXTBSY */
@@ -23,24 +11,7 @@
#define MAP_POPULATE 0x8000 /* populate (prefault) page tables */
#define MAP_NONBLOCK 0x10000 /* do not block on IO */
-#define MS_ASYNC 1 /* sync memory asynchronously */
-#define MS_INVALIDATE 2 /* invalidate the caches */
-#define MS_SYNC 4 /* synchronous memory sync */
-
#define MCL_CURRENT 1 /* lock all current mappings */
#define MCL_FUTURE 2 /* lock all future mappings */
-#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 /* __ARM_MMAN_H__ */