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> |
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); | |
e2cfc911 | 13 | extern gfp_t __get_page_owner_gfp(struct page *page); |
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); |
48c96a36 JK |
17 | |
18 | static inline void reset_page_owner(struct page *page, unsigned int order) | |
19 | { | |
7dd80b8a VB |
20 | if (static_branch_unlikely(&page_owner_inited)) |
21 | __reset_page_owner(page, order); | |
48c96a36 JK |
22 | } |
23 | ||
24 | static inline void set_page_owner(struct page *page, | |
25 | unsigned int order, gfp_t gfp_mask) | |
26 | { | |
7dd80b8a VB |
27 | if (static_branch_unlikely(&page_owner_inited)) |
28 | __set_page_owner(page, order, gfp_mask); | |
48c96a36 | 29 | } |
e2cfc911 JK |
30 | |
31 | static inline gfp_t get_page_owner_gfp(struct page *page) | |
32 | { | |
7dd80b8a VB |
33 | if (static_branch_unlikely(&page_owner_inited)) |
34 | return __get_page_owner_gfp(page); | |
35 | else | |
e2cfc911 | 36 | return 0; |
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 | } | |
e2cfc911 JK |
61 | static inline gfp_t get_page_owner_gfp(struct page *page) |
62 | { | |
63 | return 0; | |
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 */ |
75 | #endif /* __LINUX_PAGE_OWNER_H */ |