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#define MAP_STACK 0x80000 /* give out an address that is best suited for process/thread stacks */ 32#define MAP_HUGETLB 0x100000 /* create a huge page mapping */ 33 34#define MS_ASYNC 1 /* sync memory asynchronously */ 35#define MS_SYNC 2 /* synchronous memory sync */ 36#define MS_INVALIDATE 4 /* invalidate the caches */ 37 38#define MCL_CURRENT 8192 /* lock all currently mapped pages */ 39#define MCL_FUTURE 16384 /* lock all additions to address space */ 40 41#define MADV_NORMAL 0 /* no further special treatment */ 42#define MADV_RANDOM 1 /* expect random page references */ 43#define MADV_SEQUENTIAL 2 /* expect sequential page references */ 44#define MADV_WILLNEED 3 /* will need these pages */ 45#define MADV_SPACEAVAIL 5 /* ensure resources are available */ 46#define MADV_DONTNEED 6 /* don't need these pages */ 47 48/* common/generic parameters */ 49#define MADV_REMOVE 9 /* remove these pages & resources */ 50#define MADV_DONTFORK 10 /* don't inherit across fork */ 51#define MADV_DOFORK 11 /* do inherit across fork */ 52 53#define MADV_MERGEABLE 12 /* KSM may merge identical pages */ 54#define MADV_UNMERGEABLE 13 /* KSM may not merge identical pages */ 55 56/* compatibility flags */ 57#define MAP_FILE 0 58 59#endif /* __ALPHA_MMAN_H__ */ 60