[mirror_ubuntu-artful-kernel.git] / include / linux / page_owner.h

#ifndef __LINUX_PAGE_OWNER_H
#define __LINUX_PAGE_OWNER_H

#include <linux/jump_label.h>

#ifdef CONFIG_PAGE_OWNER
extern struct static_key_false page_owner_inited;
extern struct page_ext_operations page_owner_ops;

extern void __reset_page_owner(struct page *page, unsigned int order);
extern void __set_page_owner(struct page *page,
			unsigned int order, gfp_t gfp_mask);
extern void __split_page_owner(struct page *page, unsigned int order);
extern void __copy_page_owner(struct page *oldpage, struct page *newpage);
extern void __set_page_owner_migrate_reason(struct page *page, int reason);
extern void __dump_page_owner(struct page *page);
extern void pagetypeinfo_showmixedcount_print(struct seq_file *m,
					pg_data_t *pgdat, struct zone *zone);

static inline void reset_page_owner(struct page *page, unsigned int order)
{
	if (static_branch_unlikely(&page_owner_inited))
		__reset_page_owner(page, order);
}

static inline void set_page_owner(struct page *page,
			unsigned int order, gfp_t gfp_mask)
{
	if (static_branch_unlikely(&page_owner_inited))
		__set_page_owner(page, order, gfp_mask);
}

static inline void split_page_owner(struct page *page, unsigned int order)
{
	if (static_branch_unlikely(&page_owner_inited))
		__split_page_owner(page, order);
}
static inline void copy_page_owner(struct page *oldpage, struct page *newpage)
{
	if (static_branch_unlikely(&page_owner_inited))
		__copy_page_owner(oldpage, newpage);
}
static inline void set_page_owner_migrate_reason(struct page *page, int reason)
{
	if (static_branch_unlikely(&page_owner_inited))
		__set_page_owner_migrate_reason(page, reason);
}
static inline void dump_page_owner(struct page *page)
{
	if (static_branch_unlikely(&page_owner_inited))
		__dump_page_owner(page);
}
#else
static inline void reset_page_owner(struct page *page, unsigned int order)
{
}
static inline void set_page_owner(struct page *page,
			unsigned int order, gfp_t gfp_mask)
{
}
static inline void split_page_owner(struct page *page,
			unsigned int order)
{
}
static inline void copy_page_owner(struct page *oldpage, struct page *newpage)
{
}
static inline void set_page_owner_migrate_reason(struct page *page, int reason)
{
}
static inline void dump_page_owner(struct page *page)
{
}
#endif /* CONFIG_PAGE_OWNER */
#endif /* __LINUX_PAGE_OWNER_H */
Commit	Line	Data
48c96a36 JK	1	#ifndef __LINUX_PAGE_OWNER_H
	2	#define __LINUX_PAGE_OWNER_H
	3
7dd80b8a VB	4	#include <linux/jump_label.h>
7dd80b8a VB	5
48c96a36	6	#ifdef CONFIG_PAGE_OWNER
7dd80b8a	7	extern struct static_key_false page_owner_inited;
48c96a36 JK	8	extern struct page_ext_operations page_owner_ops;
	9
	10	extern void __reset_page_owner(struct page *page, unsigned int order);
	11	extern void __set_page_owner(struct page *page,
	12	unsigned int order, gfp_t gfp_mask);
a9627bc5	13	extern void __split_page_owner(struct page *page, unsigned int order);
d435edca	14	extern void __copy_page_owner(struct page oldpage, struct page newpage);
7cd12b4a	15	extern void __set_page_owner_migrate_reason(struct page *page, int reason);
4e462112	16	extern void __dump_page_owner(struct page *page);
e2f612e6 JK	17	extern void pagetypeinfo_showmixedcount_print(struct seq_file *m,
e2f612e6 JK	18	pg_data_t pgdat, struct zone zone);
48c96a36 JK	19
	20	static inline void reset_page_owner(struct page *page, unsigned int order)
	21	{
7dd80b8a VB	22	if (static_branch_unlikely(&page_owner_inited))
7dd80b8a VB	23	__reset_page_owner(page, order);
48c96a36 JK	24	}
	25
	26	static inline void set_page_owner(struct page *page,
	27	unsigned int order, gfp_t gfp_mask)
	28	{
7dd80b8a VB	29	if (static_branch_unlikely(&page_owner_inited))
7dd80b8a VB	30	__set_page_owner(page, order, gfp_mask);
48c96a36	31	}
e2cfc911	32
a9627bc5	33	static inline void split_page_owner(struct page *page, unsigned int order)
e2cfc911	34	{
7dd80b8a	35	if (static_branch_unlikely(&page_owner_inited))
a9627bc5	36	__split_page_owner(page, order);
e2cfc911	37	}
d435edca VB	38	static inline void copy_page_owner(struct page oldpage, struct page newpage)
	39	{
	40	if (static_branch_unlikely(&page_owner_inited))
	41	__copy_page_owner(oldpage, newpage);
	42	}
7cd12b4a VB	43	static inline void set_page_owner_migrate_reason(struct page *page, int reason)
	44	{
	45	if (static_branch_unlikely(&page_owner_inited))
	46	__set_page_owner_migrate_reason(page, reason);
	47	}
4e462112 VB	48	static inline void dump_page_owner(struct page *page)
	49	{
	50	if (static_branch_unlikely(&page_owner_inited))
	51	__dump_page_owner(page);
	52	}
48c96a36 JK	53	#else
	54	static inline void reset_page_owner(struct page *page, unsigned int order)
	55	{
	56	}
	57	static inline void set_page_owner(struct page *page,
	58	unsigned int order, gfp_t gfp_mask)
	59	{
	60	}
a9627bc5 JK	61	static inline void split_page_owner(struct page *page,
a9627bc5 JK	62	unsigned int order)
e2cfc911	63	{
e2cfc911	64	}
d435edca VB	65	static inline void copy_page_owner(struct page oldpage, struct page newpage)
	66	{
	67	}
7cd12b4a VB	68	static inline void set_page_owner_migrate_reason(struct page *page, int reason)
	69	{
	70	}
4e462112 VB	71	static inline void dump_page_owner(struct page *page)
	72	{
	73	}
48c96a36 JK	74	#endif /* CONFIG_PAGE_OWNER */
48c96a36 JK	75	#endif /* __LINUX_PAGE_OWNER_H */