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 /* Now unused */
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_OFFLINE 23
36#define KPF_ZERO_PAGE 24
37#define KPF_IDLE 25
38#define KPF_PGTABLE 26
39
40#endif /* _UAPILINUX_KERNEL_PAGE_FLAGS_H */
41