1#ifndef __I386_MMAN_H__ 2#define __I386_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_NONE 0x0 /* page can not be accessed */ 8 9#define MAP_SHARED 0x01 /* Share changes */ 10#define MAP_PRIVATE 0x02 /* Changes are private */ 11#define MAP_TYPE 0x0f /* Mask for type of mapping */ 12#define MAP_FIXED 0x10 /* Interpret addr exactly */ 13#define MAP_ANONYMOUS 0x20 /* don't use a file */ 14 15#define MAP_GROWSDOWN 0x0100 /* stack-like segment */ 16#define MAP_DENYWRITE 0x0800 /* ETXTBSY */ 17#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ 18#define MAP_LOCKED 0x2000 /* pages are locked */ 19#define MAP_NORESERVE 0x4000 /* don't check for reservations */ 20 21#define MS_ASYNC 1 /* sync memory asynchronously */ 22#define MS_INVALIDATE 2 /* invalidate the caches */ 23#define MS_SYNC 4 /* synchronous memory sync */ 24 25#define MCL_CURRENT 1 /* lock all current mappings */ 26#define MCL_FUTURE 2 /* lock all future mappings */ 27 28#define MADV_NORMAL 0x0 /* default page-in behavior */ 29#define MADV_RANDOM 0x1 /* page-in minimum required */ 30#define MADV_SEQUENTIAL 0x2 /* read-ahead aggressively */ 31#define MADV_WILLNEED 0x3 /* pre-fault pages */ 32#define MADV_DONTNEED 0x4 /* discard these pages */ 33 34/* compatibility flags */ 35#define MAP_ANON MAP_ANONYMOUS 36#define MAP_FILE 0 37 38#endif /* __I386_MMAN_H__ */ 39