| Wu Fengguang | 1a9b5b7 | 2009-12-16 12:19:59 +0100 | [diff] [blame] | 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 |
| Naoya Horiguchi | e873c49 | 2012-03-21 16:33:58 -0700 | [diff] [blame] | 33 | #define KPF_THP 22 |
| Wu Fengguang | 1a9b5b7 | 2009-12-16 12:19:59 +0100 | [diff] [blame] | 34 | |
| 35 | /* kernel hacking assistances |
| 36 | * WARNING: subject to change, never rely on them! |
| 37 | */ |
| 38 | #define KPF_RESERVED 32 |
| 39 | #define KPF_MLOCKED 33 |
| 40 | #define KPF_MAPPEDTODISK 34 |
| 41 | #define KPF_PRIVATE 35 |
| 42 | #define KPF_PRIVATE_2 36 |
| 43 | #define KPF_OWNER_PRIVATE 37 |
| 44 | #define KPF_ARCH 38 |
| 45 | #define KPF_UNCACHED 39 |
| 46 | |
| 47 | #endif /* LINUX_KERNEL_PAGE_FLAGS_H */ |