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authorMichael S. Tsirkin <mst@mellanox.co.il>2006-02-15 18:17:39 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2006-02-15 18:32:22 -0500
commit5f6164f3092832e0d9b12eed52e09a76bf39c64a (patch)
tree507043c3eafa00ad7241f1102c860e486f8dc544 /include/asm-sh
parent06fed33849c13af637c4d09e9ba27828fac9edd5 (diff)
[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>
Diffstat (limited to 'include/asm-sh')
-rw-r--r--include/asm-sh/mman.h31
1 files changed, 1 insertions, 30 deletions
diff --git a/include/asm-sh/mman.h b/include/asm-sh/mman.h
index 0e08d0573abc..156eb0225cf6 100644
--- a/include/asm-sh/mman.h
+++ b/include/asm-sh/mman.h
@@ -1,19 +1,7 @@
1#ifndef __ASM_SH_MMAN_H 1#ifndef __ASM_SH_MMAN_H
2#define __ASM_SH_MMAN_H 2#define __ASM_SH_MMAN_H
3 3
4#define PROT_READ 0x1 /* page can be read */ 4#include <asm-generic/mman.h>
5#define PROT_WRITE 0x2 /* page can be written */
6#define PROT_EXEC 0x4 /* page can be executed */
7#define PROT_SEM 0x8 /* page may be used for atomic ops */
8#define PROT_NONE 0x0 /* page can not be accessed */
9#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
10#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
11
12#define MAP_SHARED 0x01 /* Share changes */
13#define MAP_PRIVATE 0x02 /* Changes are private */
14#define MAP_TYPE 0x0f /* Mask for type of mapping */
15#define MAP_FIXED 0x10 /* Interpret addr exactly */
16#define MAP_ANONYMOUS 0x20 /* don't use a file */
17 5
18#define MAP_GROWSDOWN 0x0100 /* stack-like segment */ 6#define MAP_GROWSDOWN 0x0100 /* stack-like segment */
19#define MAP_DENYWRITE 0x0800 /* ETXTBSY */ 7#define MAP_DENYWRITE 0x0800 /* ETXTBSY */
@@ -23,24 +11,7 @@
23#define MAP_POPULATE 0x8000 /* populate (prefault) page tables */ 11#define MAP_POPULATE 0x8000 /* populate (prefault) page tables */
24#define MAP_NONBLOCK 0x10000 /* do not block on IO */ 12#define MAP_NONBLOCK 0x10000 /* do not block on IO */
25 13
26#define MS_ASYNC 1 /* sync memory asynchronously */
27#define MS_INVALIDATE 2 /* invalidate the caches */
28#define MS_SYNC 4 /* synchronous memory sync */
29
30#define MCL_CURRENT 1 /* lock all current mappings */ 14#define MCL_CURRENT 1 /* lock all current mappings */
31#define MCL_FUTURE 2 /* lock all future mappings */ 15#define MCL_FUTURE 2 /* lock all future mappings */
32 16
33#define MADV_NORMAL 0x0 /* default page-in behavior */
34#define MADV_RANDOM 0x1 /* page-in minimum required */
35#define MADV_SEQUENTIAL 0x2 /* read-ahead aggressively */
36#define MADV_WILLNEED 0x3 /* pre-fault pages */
37#define MADV_DONTNEED 0x4 /* discard these pages */
38#define MADV_REMOVE 0x5 /* remove these pages & resources */
39#define MADV_DONTFORK 0x30 /* dont inherit across fork */
40#define MADV_DOFORK 0x31 /* do inherit across fork */
41
42/* compatibility flags */
43#define MAP_ANON MAP_ANONYMOUS
44#define MAP_FILE 0
45
46#endif /* __ASM_SH_MMAN_H */ 17#endif /* __ASM_SH_MMAN_H */