kernel-page-flags.h 1.0 KB

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  1. #ifndef LINUX_KERNEL_PAGE_FLAGS_H
  2. #define LINUX_KERNEL_PAGE_FLAGS_H
  3. /*
  4. * Stable page flag bits exported to user space
  5. */
  6. #define KPF_LOCKED 0
  7. #define KPF_ERROR 1
  8. #define KPF_REFERENCED 2
  9. #define KPF_UPTODATE 3
  10. #define KPF_DIRTY 4
  11. #define KPF_LRU 5
  12. #define KPF_ACTIVE 6
  13. #define KPF_SLAB 7
  14. #define KPF_WRITEBACK 8
  15. #define KPF_RECLAIM 9
  16. #define KPF_BUDDY 10
  17. /* 11-20: new additions in 2.6.31 */
  18. #define KPF_MMAP 11
  19. #define KPF_ANON 12
  20. #define KPF_SWAPCACHE 13
  21. #define KPF_SWAPBACKED 14
  22. #define KPF_COMPOUND_HEAD 15
  23. #define KPF_COMPOUND_TAIL 16
  24. #define KPF_HUGE 17
  25. #define KPF_UNEVICTABLE 18
  26. #define KPF_HWPOISON 19
  27. #define KPF_NOPAGE 20
  28. #define KPF_KSM 21
  29. #define KPF_THP 22
  30. #ifdef __KERNEL__
  31. /* kernel hacking assistances
  32. * WARNING: subject to change, never rely on them!
  33. */
  34. #define KPF_RESERVED 32
  35. #define KPF_MLOCKED 33
  36. #define KPF_MAPPEDTODISK 34
  37. #define KPF_PRIVATE 35
  38. #define KPF_PRIVATE_2 36
  39. #define KPF_OWNER_PRIVATE 37
  40. #define KPF_ARCH 38
  41. #define KPF_UNCACHED 39
  42. #endif /* __KERNEL__ */
  43. #endif /* LINUX_KERNEL_PAGE_FLAGS_H */