diff options
Diffstat (limited to 'include/asm-generic/mman.h')
| -rw-r--r-- | include/asm-generic/mman.h | 51 |
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 | ||
