mman.h 1.6 KB

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  1. #ifndef _ASM_GENERIC_MMAN_H
  2. #define _ASM_GENERIC_MMAN_H
  3. /*
  4. Author: Michael S. Tsirkin <mst@mellanox.co.il>, Mellanox Technologies Ltd.
  5. Based on: asm-xxx/mman.h
  6. */
  7. #define PROT_READ 0x1 /* page can be read */
  8. #define PROT_WRITE 0x2 /* page can be written */
  9. #define PROT_EXEC 0x4 /* page can be executed */
  10. #define PROT_SEM 0x8 /* page may be used for atomic ops */
  11. #define PROT_NONE 0x0 /* page can not be accessed */
  12. #define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
  13. #define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
  14. #define MAP_SHARED 0x01 /* Share changes */
  15. #define MAP_PRIVATE 0x02 /* Changes are private */
  16. #define MAP_TYPE 0x0f /* Mask for type of mapping */
  17. #define MAP_FIXED 0x10 /* Interpret addr exactly */
  18. #define MAP_ANONYMOUS 0x20 /* don't use a file */
  19. #define MS_ASYNC 1 /* sync memory asynchronously */
  20. #define MS_INVALIDATE 2 /* invalidate the caches */
  21. #define MS_SYNC 4 /* synchronous memory sync */
  22. #define MADV_NORMAL 0 /* no further special treatment */
  23. #define MADV_RANDOM 1 /* expect random page references */
  24. #define MADV_SEQUENTIAL 2 /* expect sequential page references */
  25. #define MADV_WILLNEED 3 /* will need these pages */
  26. #define MADV_DONTNEED 4 /* don't need these pages */
  27. /* common parameters: try to keep these consistent across architectures */
  28. #define MADV_REMOVE 9 /* remove these pages & resources */
  29. #define MADV_DONTFORK 10 /* don't inherit across fork */
  30. #define MADV_DOFORK 11 /* do inherit across fork */
  31. /* compatibility flags */
  32. #define MAP_FILE 0
  33. #endif