[deliverable/linux.git] / include / linux / kernel-page-flags.h

#ifndef LINUX_KERNEL_PAGE_FLAGS_H
#define LINUX_KERNEL_PAGE_FLAGS_H

/*
 * Stable page flag bits exported to user space
 */

#define KPF_LOCKED		0
#define KPF_ERROR		1
#define KPF_REFERENCED		2
#define KPF_UPTODATE		3
#define KPF_DIRTY		4
#define KPF_LRU			5
#define KPF_ACTIVE		6
#define KPF_SLAB		7
#define KPF_WRITEBACK		8
#define KPF_RECLAIM		9
#define KPF_BUDDY		10

/* 11-20: new additions in 2.6.31 */
#define KPF_MMAP		11
#define KPF_ANON		12
#define KPF_SWAPCACHE		13
#define KPF_SWAPBACKED		14
#define KPF_COMPOUND_HEAD	15
#define KPF_COMPOUND_TAIL	16
#define KPF_HUGE		17
#define KPF_UNEVICTABLE		18
#define KPF_HWPOISON		19
#define KPF_NOPAGE		20

#define KPF_KSM			21
#define KPF_THP			22

#ifdef __KERNEL__

/* kernel hacking assistances
 * WARNING: subject to change, never rely on them!
 */
#define KPF_RESERVED		32
#define KPF_MLOCKED		33
#define KPF_MAPPEDTODISK	34
#define KPF_PRIVATE		35
#define KPF_PRIVATE_2		36
#define KPF_OWNER_PRIVATE	37
#define KPF_ARCH		38
#define KPF_UNCACHED		39

#endif /* __KERNEL__ */

#endif /* LINUX_KERNEL_PAGE_FLAGS_H */
Commit	Line	Data
1a9b5b7f WF	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
e873c49f	33	#define KPF_THP 22
1a9b5b7f	34
9295b7a0 UD	35	#ifdef __KERNEL__
9295b7a0 UD	36
1a9b5b7f WF	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
9295b7a0 UD	49	#endif /* __KERNEL__ */
9295b7a0 UD	50
1a9b5b7f	51	#endif /* LINUX_KERNEL_PAGE_FLAGS_H */