1 #ifndef __PARISC_MMAN_H__ 2 #define __PARISC_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 0x03 /* Mask for type of mapping */ 12 #define MAP_FIXED 0x04 /* Interpret addr exactly */ 13 #define MAP_ANONYMOUS 0x10 /* don't use a file */ 14 15 #define MAP_DENYWRITE 0x0800 /* ETXTBSY */ 16 #define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ 17 #define MAP_LOCKED 0x2000 /* pages are locked */ 18 #define MAP_NORESERVE 0x4000 /* don't check for reservations */ 19 #define MAP_GROWSDOWN 0x8000 /* stack-like segment */ 20 21 #define MS_SYNC 1 /* synchronous memory sync */ 22 #define MS_ASYNC 2 /* sync memory asynchronously */ 23 #define MS_INVALIDATE 4 /* invalidate the caches */ 24 25 #define MCL_CURRENT 1 /* lock all current mappings */ 26 #define MCL_FUTURE 2 /* lock all future mappings */ 27 28 #define MADV_NORMAL 0 /* no further special treatment */ 29 #define MADV_RANDOM 1 /* expect random page references */ 30 #define MADV_SEQUENTIAL 2 /* expect sequential page references */ 31 #define MADV_WILLNEED 3 /* will need these pages */ 32 #define MADV_DONTNEED 4 /* dont need these pages */ 33 #define MADV_SPACEAVAIL 5 /* insure that resources are reserved */ 34 #define MADV_VPS_PURGE 6 /* Purge pages from VM page cache */ 35 #define MADV_VPS_INHERIT 7 /* Inherit parents page size */ 36 37 /* The range 12-64 is reserved for page size specification. */ 38 #define MADV_4K_PAGES 12 /* Use 4K pages */ 39 #define MADV_16K_PAGES 14 /* Use 16K pages */ 40 #define MADV_64K_PAGES 16 /* Use 64K pages */ 41 #define MADV_256K_PAGES 18 /* Use 256K pages */ 42 #define MADV_1M_PAGES 20 /* Use 1 Megabyte pages */ 43 #define MADV_4M_PAGES 22 /* Use 4 Megabyte pages */ 44 #define MADV_16M_PAGES 24 /* Use 16 Megabyte pages */ 45 #define MADV_64M_PAGES 26 /* Use 64 Megabyte pages */ 46 47 /* compatibility flags */ 48 #define MAP_ANON MAP_ANONYMOUS 49 #define MAP_FILE 0 50 #define MAP_VARIABLE 0 51 52 #endif /* __PARISC_MMAN_H__ */ 53