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 void __split_page_owner(struct page *page, unsigned int order);
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 void split_page_owner(struct page *page, unsigned int order)
33 if (static_branch_unlikely(&page_owner_inited))
34 __split_page_owner(page, order);
36 static inline void copy_page_owner(struct page *oldpage, struct page *newpage)
38 if (static_branch_unlikely(&page_owner_inited))
39 __copy_page_owner(oldpage, newpage);
41 static inline void set_page_owner_migrate_reason(struct page *page, int reason)
43 if (static_branch_unlikely(&page_owner_inited))
44 __set_page_owner_migrate_reason(page, reason);
46 static inline void dump_page_owner(struct page *page)
48 if (static_branch_unlikely(&page_owner_inited))
49 __dump_page_owner(page);
52 static inline void reset_page_owner(struct page *page, unsigned int order)
55 static inline void set_page_owner(struct page *page,
56 unsigned int order, gfp_t gfp_mask)
59 static inline void split_page_owner(struct page *page,
63 static inline void copy_page_owner(struct page *oldpage, struct page *newpage)
66 static inline void set_page_owner_migrate_reason(struct page *page, int reason)
69 static inline void dump_page_owner(struct page *page)
72 #endif /* CONFIG_PAGE_OWNER */
73 #endif /* __LINUX_PAGE_OWNER_H */