1#ifndef __BFIN_MMAN_H__ 2#define __BFIN_MMAN_H__ 3 4#define PROT_READ 0x1 /* page can be read */ 5#define PROT_WRITE 0x2 /* page can be written */ 6#define PROT_EXEC 0x4 /* page can be executed */ 7#define PROT_SEM 0x8 /* page may be used for atomic ops */ 8#define PROT_NONE 0x0 /* page can not be accessed */ 9#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */ 10#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */ 11 12#define MAP_SHARED 0x01 /* Share changes */ 13#define MAP_PRIVATE 0x02 /* Changes are private */ 14#define MAP_TYPE 0x0f /* Mask for type of mapping */ 15#define MAP_FIXED 0x10 /* Interpret addr exactly */ 16#define MAP_ANONYMOUS 0x20 /* don't use a file */ 17 18#define MAP_GROWSDOWN 0x0100 /* stack-like segment */ 19#define MAP_DENYWRITE 0x0800 /* ETXTBSY */ 20#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ 21#define MAP_LOCKED 0x2000 /* pages are locked */ 22#define MAP_NORESERVE 0x4000 /* don't check for reservations */ 23#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ 24#define MAP_NONBLOCK 0x10000 /* do not block on IO */ 25 26#define MS_ASYNC 1 /* sync memory asynchronously */ 27#define MS_INVALIDATE 2 /* invalidate the caches */ 28#define MS_SYNC 4 /* synchronous memory sync */ 29 30#define MCL_CURRENT 1 /* lock all current mappings */ 31#define MCL_FUTURE 2 /* lock all future mappings */ 32 33#define MADV_NORMAL 0x0 /* default page-in behavior */ 34#define MADV_RANDOM 0x1 /* page-in minimum required */ 35#define MADV_SEQUENTIAL 0x2 /* read-ahead aggressively */ 36#define MADV_WILLNEED 0x3 /* pre-fault pages */ 37#define MADV_DONTNEED 0x4 /* discard these pages */ 38 39/* compatibility flags */ 40#define MAP_ANON MAP_ANONYMOUS 41#define MAP_FILE 0 42 43#endif /* __BFIN_MMAN_H__ */ 44