linux-old/include/asm-cris/mman.h
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   1#ifndef __CRIS_MMAN_H__
   2#define __CRIS_MMAN_H__
   3
   4/* verbatim copy of asm-i386/ version */
   5
   6#define PROT_READ       0x1             /* page can be read */
   7#define PROT_WRITE      0x2             /* page can be written */
   8#define PROT_EXEC       0x4             /* page can be executed */
   9#define PROT_NONE       0x0             /* page can not be accessed */
  10
  11#define MAP_SHARED      0x01            /* Share changes */
  12#define MAP_PRIVATE     0x02            /* Changes are private */
  13#define MAP_TYPE        0x0f            /* Mask for type of mapping */
  14#define MAP_FIXED       0x10            /* Interpret addr exactly */
  15#define MAP_ANONYMOUS   0x20            /* don't use a file */
  16
  17#define MAP_GROWSDOWN   0x0100          /* stack-like segment */
  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
  23#define MS_ASYNC        1               /* sync memory asynchronously */
  24#define MS_INVALIDATE   2               /* invalidate the caches */
  25#define MS_SYNC         4               /* synchronous memory sync */
  26
  27#define MCL_CURRENT     1               /* lock all current mappings */
  28#define MCL_FUTURE      2               /* lock all future mappings */
  29
  30#define MADV_NORMAL     0x0             /* default page-in behavior */
  31#define MADV_RANDOM     0x1             /* page-in minimum required */
  32#define MADV_SEQUENTIAL 0x2             /* read-ahead aggressively */
  33#define MADV_WILLNEED   0x3             /* pre-fault pages */
  34#define MADV_DONTNEED   0x4             /* discard these pages */
  35
  36/* compatibility flags */
  37#define MAP_ANON        MAP_ANONYMOUS
  38#define MAP_FILE        0
  39
  40#endif /* __CRIS_MMAN_H__ */
  41
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