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 #define KPF_THP 22 34 35 #ifdef __KERNEL__ 36 37 /* kernel hacking assistances 38 * WARNING: subject to change, never rely on them! 39 */ 40 #define KPF_RESERVED 32 41 #define KPF_MLOCKED 33 42 #define KPF_MAPPEDTODISK 34 43 #define KPF_PRIVATE 35 44 #define KPF_PRIVATE_2 36 45 #define KPF_OWNER_PRIVATE 37 46 #define KPF_ARCH 38 47 #define KPF_UNCACHED 39 48 49 #endif /* __KERNEL__ */ 50 51 #endif /* LINUX_KERNEL_PAGE_FLAGS_H */ 52