include/asm-ppc/mman.h

   1 #ifndef __PPC_MMAN_H__
   2 #define __PPC_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        0x0f            /* Mask for type of mapping */
  12 #define MAP_FIXED       0x10            /* Interpret addr exactly */
  13 #define MAP_ANONYMOUS   0x20            /* don't use a file */
  14 #define MAP_RENAME      MAP_ANONYMOUS   /* In SunOS terminology */
  15 #define MAP_NORESERVE   0x40            /* don't reserve swap pages */
  16
  17 #define MAP_GROWSDOWN   0x0100          /* stack-like segment */
  18 #define MAP_DENYWRITE   0x0800          /* ETXTBSY */
  19 #define MAP_EXECUTABLE  0x1000          /* mark it as a executable */
  20
  21 #define MS_ASYNC        1               /* sync memory asynchronously */
  22 #define MS_INVALIDATE   2               /* invalidate the caches */
  23 #define MS_SYNC         4               /* synchronous memory sync */
  24
  25 #define MCL_CURRENT     0x2000          /* lock all currently mapped pages */
  26 #define MCL_FUTURE      0x4000          /* lock all additions to address space */
  27
  28 /* compatibility flags */
  29 #define MAP_ANON        MAP_ANONYMOUS
  30 #define MAP_FILE        0
  31
  32 #endif /* __PPC_MMAN_H__ */