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_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 0x03 /* Mask for type of mapping */ 15#define MAP_FIXED 0x04 /* Interpret addr exactly */ 16#define MAP_ANONYMOUS 0x10 /* don't use a file */ 17 18#define MAP_DENYWRITE 0x0800 /* ETXTBSY */ 19#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ 20#define MAP_LOCKED 0x2000 /* pages are locked */ 21#define MAP_NORESERVE 0x4000 /* don't check for reservations */ 22#define MAP_GROWSDOWN 0x8000 /* stack-like segment */ 23#define MAP_POPULATE 0x10000 /* populate (prefault) pagetables */ 24#define MAP_NONBLOCK 0x20000 /* do not block on IO */ 25#define MAP_STACK 0x40000 /* give out an address that is best suited for process/thread stacks */ 26#define MAP_HUGETLB 0x80000 /* create a huge page mapping */ 27 28#define MS_SYNC 1 /* synchronous memory sync */ 29#define MS_ASYNC 2 /* sync memory asynchronously */ 30#define MS_INVALIDATE 4 /* invalidate the caches */ 31 32#define MCL_CURRENT 1 /* lock all current mappings */ 33#define MCL_FUTURE 2 /* lock all future mappings */ 34 35#define MADV_NORMAL 0 /* no further special treatment */ 36#define MADV_RANDOM 1 /* expect random page references */ 37#define MADV_SEQUENTIAL 2 /* expect sequential page references */ 38#define MADV_WILLNEED 3 /* will need these pages */ 39#define MADV_DONTNEED 4 /* don't need these pages */ 40#define MADV_SPACEAVAIL 5 /* insure that resources are reserved */ 41#define MADV_VPS_PURGE 6 /* Purge pages from VM page cache */ 42#define MADV_VPS_INHERIT 7 /* Inherit parents page size */ 43 44/* common/generic parameters */ 45#define MADV_REMOVE 9 /* remove these pages & resources */ 46#define MADV_DONTFORK 10 /* don't inherit across fork */ 47#define MADV_DOFORK 11 /* do inherit across fork */ 48 49/* The range 12-64 is reserved for page size specification. */ 50#define MADV_4K_PAGES 12 /* Use 4K pages */ 51#define MADV_16K_PAGES 14 /* Use 16K pages */ 52#define MADV_64K_PAGES 16 /* Use 64K pages */ 53#define MADV_256K_PAGES 18 /* Use 256K pages */ 54#define MADV_1M_PAGES 20 /* Use 1 Megabyte pages */ 55#define MADV_4M_PAGES 22 /* Use 4 Megabyte pages */ 56#define MADV_16M_PAGES 24 /* Use 16 Megabyte pages */ 57#define MADV_64M_PAGES 26 /* Use 64 Megabyte pages */ 58 59#define MADV_MERGEABLE 65 /* KSM may merge identical pages */ 60#define MADV_UNMERGEABLE 66 /* KSM may not merge identical pages */ 61 62/* compatibility flags */ 63#define MAP_FILE 0 64#define MAP_VARIABLE 0 65 66#endif /* __PARISC_MMAN_H__ */ 67