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	/* 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 */