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-rw-r--r--include/asm-generic/mman.h51
1 files changed, 14 insertions, 37 deletions
diff --git a/include/asm-generic/mman.h b/include/asm-generic/mman.h
index 5e3dde2ee5ad..7cab4de2bca6 100644
--- a/include/asm-generic/mman.h
+++ b/include/asm-generic/mman.h
@@ -1,41 +1,18 @@
1#ifndef _ASM_GENERIC_MMAN_H 1#ifndef __ASM_GENERIC_MMAN_H
2#define _ASM_GENERIC_MMAN_H 2#define __ASM_GENERIC_MMAN_H
3 3
4/* 4#include <asm-generic/mman-common.h>
5 Author: Michael S. Tsirkin <mst@mellanox.co.il>, Mellanox Technologies Ltd.
6 Based on: asm-xxx/mman.h
7*/
8 5
9#define PROT_READ 0x1 /* page can be read */ 6#define MAP_GROWSDOWN 0x0100 /* stack-like segment */
10#define PROT_WRITE 0x2 /* page can be written */ 7#define MAP_DENYWRITE 0x0800 /* ETXTBSY */
11#define PROT_EXEC 0x4 /* page can be executed */ 8#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */
12#define PROT_SEM 0x8 /* page may be used for atomic ops */ 9#define MAP_LOCKED 0x2000 /* pages are locked */
13#define PROT_NONE 0x0 /* page can not be accessed */ 10#define MAP_NORESERVE 0x4000 /* don't check for reservations */
14#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */ 11#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */
15#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */ 12#define MAP_NONBLOCK 0x10000 /* do not block on IO */
13#define MAP_STACK 0x20000 /* give out an address that is best suited for process/thread stacks */
16 14
17#define MAP_SHARED 0x01 /* Share changes */ 15#define MCL_CURRENT 1 /* lock all current mappings */
18#define MAP_PRIVATE 0x02 /* Changes are private */ 16#define MCL_FUTURE 2 /* lock all future mappings */
19#define MAP_TYPE 0x0f /* Mask for type of mapping */
20#define MAP_FIXED 0x10 /* Interpret addr exactly */
21#define MAP_ANONYMOUS 0x20 /* don't use a file */
22 17
23#define MS_ASYNC 1 /* sync memory asynchronously */ 18#endif /* __ASM_GENERIC_MMAN_H */
24#define MS_INVALIDATE 2 /* invalidate the caches */
25#define MS_SYNC 4 /* synchronous memory sync */
26
27#define MADV_NORMAL 0 /* no further special treatment */
28#define MADV_RANDOM 1 /* expect random page references */
29#define MADV_SEQUENTIAL 2 /* expect sequential page references */
30#define MADV_WILLNEED 3 /* will need these pages */
31#define MADV_DONTNEED 4 /* don't need these pages */
32
33/* common parameters: try to keep these consistent across architectures */
34#define MADV_REMOVE 9 /* remove these pages & resources */
35#define MADV_DONTFORK 10 /* don't inherit across fork */
36#define MADV_DOFORK 11 /* do inherit across fork */
37
38/* compatibility flags */
39#define MAP_FILE 0
40
41#endif