1 #ifndef _ASM_GENERIC_MMAN_H
2 #define _ASM_GENERIC_MMAN_H
5 Author: Michael S. Tsirkin <mst@mellanox.co.il>, Mellanox Technologies Ltd.
6 Based on: asm-xxx/mman.h
9 #define PROT_READ 0x1 /* page can be read */
10 #define PROT_WRITE 0x2 /* page can be written */
11 #define PROT_EXEC 0x4 /* page can be executed */
12 #define PROT_SEM 0x8 /* page may be used for atomic ops */
13 #define PROT_NONE 0x0 /* page can not be accessed */
14 #define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
15 #define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
17 #define MAP_SHARED 0x01 /* Share changes */
18 #define MAP_PRIVATE 0x02 /* Changes are private */
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 */
23 #define MS_ASYNC 1 /* sync memory asynchronously */
24 #define MS_INVALIDATE 2 /* invalidate the caches */
25 #define MS_SYNC 4 /* synchronous memory sync */
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 */
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 */
38 /* compatibility flags */
39 #define MAP_ANON MAP_ANONYMOUS
