Commit | Line | Data |
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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); | |
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); |
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 | 30 | |
a9627bc5 | 31 | static inline void split_page_owner(struct page *page, unsigned int order) |
e2cfc911 | 32 | { |
7dd80b8a | 33 | if (static_branch_unlikely(&page_owner_inited)) |
a9627bc5 | 34 | __split_page_owner(page, order); |
e2cfc911 | 35 | } |
d435edca VB |
36 | static inline void copy_page_owner(struct page *oldpage, struct page *newpage) |
37 | { | |
38 | if (static_branch_unlikely(&page_owner_inited)) | |
39 | __copy_page_owner(oldpage, newpage); | |
40 | } | |
7cd12b4a VB |
41 | static inline void set_page_owner_migrate_reason(struct page *page, int reason) |
42 | { | |
43 | if (static_branch_unlikely(&page_owner_inited)) | |
44 | __set_page_owner_migrate_reason(page, reason); | |
45 | } | |
4e462112 VB |
46 | static inline void dump_page_owner(struct page *page) |
47 | { | |
48 | if (static_branch_unlikely(&page_owner_inited)) | |
49 | __dump_page_owner(page); | |
50 | } | |
48c96a36 JK |
51 | #else |
52 | static inline void reset_page_owner(struct page *page, unsigned int order) | |
53 | { | |
54 | } | |
55 | static inline void set_page_owner(struct page *page, | |
56 | unsigned int order, gfp_t gfp_mask) | |
57 | { | |
58 | } | |
a9627bc5 JK |
59 | static inline void split_page_owner(struct page *page, |
60 | unsigned int order) | |
e2cfc911 | 61 | { |
e2cfc911 | 62 | } |
d435edca VB |
63 | static inline void copy_page_owner(struct page *oldpage, struct page *newpage) |
64 | { | |
65 | } | |
7cd12b4a VB |
66 | static inline void set_page_owner_migrate_reason(struct page *page, int reason) |
67 | { | |
68 | } | |
4e462112 VB |
69 | static inline void dump_page_owner(struct page *page) |
70 | { | |
71 | } | |
48c96a36 JK |
72 | #endif /* CONFIG_PAGE_OWNER */ |
73 | #endif /* __LINUX_PAGE_OWNER_H */ |