include/uapi/linux/kernel-page-flags.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef _UAPILINUX_KERNEL_PAGE_FLAGS_H
   3 #define _UAPILINUX_KERNEL_PAGE_FLAGS_H
   4
   5 /*
   6  * Stable page flag bits exported to user space
   7  */
   8
   9 #define KPF_LOCKED              0
  10 #define KPF_ERROR               1
  11 #define KPF_REFERENCED          2
  12 #define KPF_UPTODATE            3
  13 #define KPF_DIRTY               4
  14 #define KPF_LRU                 5
  15 #define KPF_ACTIVE              6
  16 #define KPF_SLAB                7
  17 #define KPF_WRITEBACK           8
  18 #define KPF_RECLAIM             9
  19 #define KPF_BUDDY               10
  20
  21 /* 11-20: new additions in 2.6.31 */
  22 #define KPF_MMAP                11
  23 #define KPF_ANON                12
  24 #define KPF_SWAPCACHE           13
  25 #define KPF_SWAPBACKED          14
  26 #define KPF_COMPOUND_HEAD       15
  27 #define KPF_COMPOUND_TAIL       16
  28 #define KPF_HUGE                17
  29 #define KPF_UNEVICTABLE         18
  30 #define KPF_HWPOISON            19
  31 #define KPF_NOPAGE              20
  32
  33 #define KPF_KSM                 21
  34 #define KPF_THP                 22
  35 #define KPF_BALLOON             23
  36 #define KPF_ZERO_PAGE           24
  37 #define KPF_IDLE                25
  38
  39
  40 #endif /* _UAPILINUX_KERNEL_PAGE_FLAGS_H */