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-rw-r--r--include/linux/kernel-page-flags.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/include/linux/kernel-page-flags.h b/include/linux/kernel-page-flags.h
new file mode 100644
index 000000000000..bd92a89f4b0a
--- /dev/null
+++ b/include/linux/kernel-page-flags.h
@@ -0,0 +1,46 @@
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
34/* kernel hacking assistances
35 * WARNING: subject to change, never rely on them!
36 */
37#define KPF_RESERVED 32
38#define KPF_MLOCKED 33
39#define KPF_MAPPEDTODISK 34
40#define KPF_PRIVATE 35
41#define KPF_PRIVATE_2 36
42#define KPF_OWNER_PRIVATE 37
43#define KPF_ARCH 38
44#define KPF_UNCACHED 39
45
46#endif /* LINUX_KERNEL_PAGE_FLAGS_H */