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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-s390/mman.h
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-s390/mman.h')
-rw-r--r--include/asm-s390/mman.h31
1 files changed, 1 insertions, 30 deletions
diff --git a/include/asm-s390/mman.h b/include/asm-s390/mman.h
index d41ca1477010..7839767d837e 100644
--- a/include/asm-s390/mman.h
+++ b/include/asm-s390/mman.h
@@ -9,19 +9,7 @@
9#ifndef __S390_MMAN_H__ 9#ifndef __S390_MMAN_H__
10#define __S390_MMAN_H__ 10#define __S390_MMAN_H__
11 11
12#define PROT_READ 0x1 /* page can be read */ 12#include <asm-generic/mman.h>
13#define PROT_WRITE 0x2 /* page can be written */
14#define PROT_EXEC 0x4 /* page can be executed */
15#define PROT_SEM 0x8 /* page may be used for atomic ops */
16#define PROT_NONE 0x0 /* page can not be accessed */
17#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
18#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
19
20#define MAP_SHARED 0x01 /* Share changes */
21#define MAP_PRIVATE 0x02 /* Changes are private */
22#define MAP_TYPE 0x0f /* Mask for type of mapping */
23#define MAP_FIXED 0x10 /* Interpret addr exactly */
24#define MAP_ANONYMOUS 0x20 /* don't use a file */
25 13
26#define MAP_GROWSDOWN 0x0100 /* stack-like segment */ 14#define MAP_GROWSDOWN 0x0100 /* stack-like segment */
27#define MAP_DENYWRITE 0x0800 /* ETXTBSY */ 15#define MAP_DENYWRITE 0x0800 /* ETXTBSY */
@@ -31,24 +19,7 @@
31#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ 19#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */
32#define MAP_NONBLOCK 0x10000 /* do not block on IO */ 20#define MAP_NONBLOCK 0x10000 /* do not block on IO */
33 21
34#define MS_ASYNC 1 /* sync memory asynchronously */
35#define MS_INVALIDATE 2 /* invalidate the caches */
36#define MS_SYNC 4 /* synchronous memory sync */
37
38#define MCL_CURRENT 1 /* lock all current mappings */ 22#define MCL_CURRENT 1 /* lock all current mappings */
39#define MCL_FUTURE 2 /* lock all future mappings */ 23#define MCL_FUTURE 2 /* lock all future mappings */
40 24
41#define MADV_NORMAL 0x0 /* default page-in behavior */
42#define MADV_RANDOM 0x1 /* page-in minimum required */
43#define MADV_SEQUENTIAL 0x2 /* read-ahead aggressively */
44#define MADV_WILLNEED 0x3 /* pre-fault pages */
45#define MADV_DONTNEED 0x4 /* discard these pages */
46#define MADV_REMOVE 0x5 /* remove these pages & resources */
47#define MADV_DONTFORK 0x30 /* dont inherit across fork */
48#define MADV_DOFORK 0x31 /* do inherit across fork */
49
50/* compatibility flags */
51#define MAP_ANON MAP_ANONYMOUS
52#define MAP_FILE 0
53
54#endif /* __S390_MMAN_H__ */ 25#endif /* __S390_MMAN_H__ */