1 #ifndef __ASM_GENERIC_MMAN_COMMON_H 2 #define __ASM_GENERIC_MMAN_COMMON_H 3 4 /* 5 Author: Michael S. Tsirkin <mst (at) 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 23 #define MS_ASYNC 1 /* sync memory asynchronously */ 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 #define MADV_HWPOISON 100 /* poison a page for testing */ 38 39 #define MADV_MERGEABLE 12 /* KSM may merge identical pages */ 40 #define MADV_UNMERGEABLE 13 /* KSM may not merge identical pages */ 41 42 /* compatibility flags */ 43 #define MAP_FILE 0 44 45 #endif /* __ASM_GENERIC_MMAN_COMMON_H */ 46
