xref: /linux/include/uapi/linux/kernel-page-flags.h (revision 2ba9268dd603d23e17643437b2246acb6844953b)
1 #ifndef _UAPILINUX_KERNEL_PAGE_FLAGS_H
2 #define _UAPILINUX_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 #define KPF_BALLOON		23
35 #define KPF_ZERO_PAGE		24
36 
37 
38 #endif /* _UAPILINUX_KERNEL_PAGE_FLAGS_H */
39