include/linux/kernel-page-flags.h

   1 #ifndef LINUX_KERNEL_PAGE_FLAGS_H
   2 #define LINUX_KERNEL_PAGE_FLAGS_H
   3
   4 /*
   5  * Stable page flag bits exported to user space
   6  */
   7
   8 #define KPF_LOCKED              0
   9 #define KPF_ERROR               1
  10 #define KPF_REFERENCED          2
  11 #define KPF_UPTODATE            3
  12 #define KPF_DIRTY               4
  13 #define KPF_LRU                 5
  14 #define KPF_ACTIVE              6
  15 #define KPF_SLAB                7
  16 #define KPF_WRITEBACK           8
  17 #define KPF_RECLAIM             9
  18 #define KPF_BUDDY               10
  19
  20 /* 11-20: new additions in 2.6.31 */
  21 #define KPF_MMAP                11
  22 #define KPF_ANON                12
  23 #define KPF_SWAPCACHE           13
  24 #define KPF_SWAPBACKED          14
  25 #define KPF_COMPOUND_HEAD       15
  26 #define KPF_COMPOUND_TAIL       16
  27 #define KPF_HUGE                17
  28 #define KPF_UNEVICTABLE         18
  29 #define KPF_HWPOISON            19
  30 #define KPF_NOPAGE              20
  31
  32 #define KPF_KSM                 21
  33 #define KPF_THP                 22
  34
  35 #ifdef __KERNEL__
  36
  37 /* kernel hacking assistances
  38  * WARNING: subject to change, never rely on them!
  39  */
  40 #define KPF_RESERVED            32
  41 #define KPF_MLOCKED             33
  42 #define KPF_MAPPEDTODISK        34
  43 #define KPF_PRIVATE             35
  44 #define KPF_PRIVATE_2           36
  45 #define KPF_OWNER_PRIVATE       37
  46 #define KPF_ARCH                38
  47 #define KPF_UNCACHED            39
  48
  49 #endif /* __KERNEL__ */
  50
  51 #endif /* LINUX_KERNEL_PAGE_FLAGS_H */