1#ifndef __ALPHA_MMAN_H__ 2#define __ALPHA_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 (OSF/1 is _wrong_) */ 15#define MAP_FIXED 0x100 /* Interpret addr exactly */ 16#define MAP_ANONYMOUS 0x10 /* don't use a file */ 17 18/* not used by linux, but here to make sure we don't clash with OSF/1 defines */ 19#define _MAP_HASSEMAPHORE 0x0200 20#define _MAP_INHERIT 0x0400 21#define _MAP_UNALIGNED 0x0800 22 23/* These are linux-specific */ 24#define MAP_GROWSDOWN 0x01000 /* stack-like segment */ 25#define MAP_DENYWRITE 0x02000 /* ETXTBSY */ 26#define MAP_EXECUTABLE 0x04000 /* mark it as an executable */ 27#define MAP_LOCKED 0x08000 /* lock the mapping */ 28#define MAP_NORESERVE 0x10000 /* don't check for reservations */ 29#define MAP_POPULATE 0x20000 /* populate (prefault) pagetables */ 30#define MAP_NONBLOCK 0x40000 /* do not block on IO */ 31 32#define MS_ASYNC 1 /* sync memory asynchronously */ 33#define MS_SYNC 2 /* synchronous memory sync */ 34#define MS_INVALIDATE 4 /* invalidate the caches */ 35 36#define MCL_CURRENT 8192 /* lock all currently mapped pages */ 37#define MCL_FUTURE 16384 /* lock all additions to address space */ 38 39#define MADV_NORMAL 0 /* no further special treatment */ 40#define MADV_RANDOM 1 /* expect random page references */ 41#define MADV_SEQUENTIAL 2 /* expect sequential page references */ 42#define MADV_WILLNEED 3 /* will need these pages */ 43#define MADV_SPACEAVAIL 5 /* ensure resources are available */ 44#define MADV_DONTNEED 6 /* don't need these pages */ 45 46/* compatibility flags */ 47#define MAP_ANON MAP_ANONYMOUS 48#define MAP_FILE 0 49 50#endif /* __ALPHA_MMAN_H__ */ 51