1 #ifndef __LINUX_PAGE_OWNER_H
2 #define __LINUX_PAGE_OWNER_H
4 #include <linux/jump_label.h>
6 #ifdef CONFIG_PAGE_OWNER
7 extern struct static_key_false page_owner_inited
;
8 extern struct page_ext_operations page_owner_ops
;
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
);
13 extern gfp_t
__get_page_owner_gfp(struct page
*page
);
14 extern void __copy_page_owner(struct page
*oldpage
, struct page
*newpage
);
15 extern void __set_page_owner_migrate_reason(struct page
*page
, int reason
);
16 extern void __dump_page_owner(struct page
*page
);
18 static inline void reset_page_owner(struct page
*page
, unsigned int order
)
20 if (static_branch_unlikely(&page_owner_inited
))
21 __reset_page_owner(page
, order
);
24 static inline void set_page_owner(struct page
*page
,
25 unsigned int order
, gfp_t gfp_mask
)
27 if (static_branch_unlikely(&page_owner_inited
))
28 __set_page_owner(page
, order
, gfp_mask
);
31 static inline gfp_t
get_page_owner_gfp(struct page
*page
)
33 if (static_branch_unlikely(&page_owner_inited
))
34 return __get_page_owner_gfp(page
);
38 static inline void copy_page_owner(struct page
*oldpage
, struct page
*newpage
)
40 if (static_branch_unlikely(&page_owner_inited
))
41 __copy_page_owner(oldpage
, newpage
);
43 static inline void set_page_owner_migrate_reason(struct page
*page
, int reason
)
45 if (static_branch_unlikely(&page_owner_inited
))
46 __set_page_owner_migrate_reason(page
, reason
);
48 static inline void dump_page_owner(struct page
*page
)
50 if (static_branch_unlikely(&page_owner_inited
))
51 __dump_page_owner(page
);
54 static inline void reset_page_owner(struct page
*page
, unsigned int order
)
57 static inline void set_page_owner(struct page
*page
,
58 unsigned int order
, gfp_t gfp_mask
)
61 static inline gfp_t
get_page_owner_gfp(struct page
*page
)
65 static inline void copy_page_owner(struct page
*oldpage
, struct page
*newpage
)
68 static inline void set_page_owner_migrate_reason(struct page
*page
, int reason
)
71 static inline void dump_page_owner(struct page
*page
)
74 #endif /* CONFIG_PAGE_OWNER */
75 #endif /* __LINUX_PAGE_OWNER_H */