diff options
Diffstat (limited to 'include/uapi/asm-generic/mman-common.h')
-rw-r--r-- | include/uapi/asm-generic/mman-common.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/include/uapi/asm-generic/mman-common.h b/include/uapi/asm-generic/mman-common.h new file mode 100644 index 000000000000..d030d2c2647a --- /dev/null +++ b/include/uapi/asm-generic/mman-common.h | |||
@@ -0,0 +1,58 @@ | |||
1 | #ifndef __ASM_GENERIC_MMAN_COMMON_H | ||
2 | #define __ASM_GENERIC_MMAN_COMMON_H | ||
3 | |||
4 | /* | ||
5 | Author: Michael S. Tsirkin <mst@mellanox.co.il>, Mellanox Technologies Ltd. | ||
6 | Based on: asm-xxx/mman.h | ||
7 | */ | ||
8 | |||
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 */ | ||
16 | |||
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 */ | ||
22 | #ifdef CONFIG_MMAP_ALLOW_UNINITIALIZED | ||
23 | # define MAP_UNINITIALIZED 0x4000000 /* For anonymous mmap, memory could be uninitialized */ | ||
24 | #else | ||
25 | # define MAP_UNINITIALIZED 0x0 /* Don't support this flag */ | ||
26 | #endif | ||
27 | |||
28 | #define MS_ASYNC 1 /* sync memory asynchronously */ | ||
29 | #define MS_INVALIDATE 2 /* invalidate the caches */ | ||
30 | #define MS_SYNC 4 /* synchronous memory sync */ | ||
31 | |||
32 | #define MADV_NORMAL 0 /* no further special treatment */ | ||
33 | #define MADV_RANDOM 1 /* expect random page references */ | ||
34 | #define MADV_SEQUENTIAL 2 /* expect sequential page references */ | ||
35 | #define MADV_WILLNEED 3 /* will need these pages */ | ||
36 | #define MADV_DONTNEED 4 /* don't need these pages */ | ||
37 | |||
38 | /* common parameters: try to keep these consistent across architectures */ | ||
39 | #define MADV_REMOVE 9 /* remove these pages & resources */ | ||
40 | #define MADV_DONTFORK 10 /* don't inherit across fork */ | ||
41 | #define MADV_DOFORK 11 /* do inherit across fork */ | ||
42 | #define MADV_HWPOISON 100 /* poison a page for testing */ | ||
43 | #define MADV_SOFT_OFFLINE 101 /* soft offline page for testing */ | ||
44 | |||
45 | #define MADV_MERGEABLE 12 /* KSM may merge identical pages */ | ||
46 | #define MADV_UNMERGEABLE 13 /* KSM may not merge identical pages */ | ||
47 | |||
48 | #define MADV_HUGEPAGE 14 /* Worth backing with hugepages */ | ||
49 | #define MADV_NOHUGEPAGE 15 /* Not worth backing with hugepages */ | ||
50 | |||
51 | #define MADV_DONTDUMP 16 /* Explicity exclude from the core dump, | ||
52 | overrides the coredump filter bits */ | ||
53 | #define MADV_DODUMP 17 /* Clear the MADV_NODUMP flag */ | ||
54 | |||
55 | /* compatibility flags */ | ||
56 | #define MAP_FILE 0 | ||
57 | |||
58 | #endif /* __ASM_GENERIC_MMAN_COMMON_H */ | ||