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1 | #ifndef __LINUX_PAGE_OWNER_H | |
2 | #define __LINUX_PAGE_OWNER_H | |
3 | ||
4 | #include <linux/jump_label.h> | |
5 | ||
6 | #ifdef CONFIG_PAGE_OWNER | |
7 | extern struct static_key_false page_owner_inited; | |
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); | |
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); | |
17 | extern void pagetypeinfo_showmixedcount_print(struct seq_file *m, | |
18 | pg_data_t *pgdat, struct zone *zone); | |
19 | ||
20 | static inline void reset_page_owner(struct page *page, unsigned int order) | |
21 | { | |
22 | if (static_branch_unlikely(&page_owner_inited)) | |
23 | __reset_page_owner(page, order); | |
24 | } | |
25 | ||
26 | static inline void set_page_owner(struct page *page, | |
27 | unsigned int order, gfp_t gfp_mask) | |
28 | { | |
29 | if (static_branch_unlikely(&page_owner_inited)) | |
30 | __set_page_owner(page, order, gfp_mask); | |
31 | } | |
32 | ||
33 | static inline void split_page_owner(struct page *page, unsigned int order) | |
34 | { | |
35 | if (static_branch_unlikely(&page_owner_inited)) | |
36 | __split_page_owner(page, order); | |
37 | } | |
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 | } | |
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 | } | |
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 | } | |
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 | } | |
61 | static inline void split_page_owner(struct page *page, | |
62 | unsigned int order) | |
63 | { | |
64 | } | |
65 | static inline void copy_page_owner(struct page *oldpage, struct page *newpage) | |
66 | { | |
67 | } | |
68 | static inline void set_page_owner_migrate_reason(struct page *page, int reason) | |
69 | { | |
70 | } | |
71 | static inline void dump_page_owner(struct page *page) | |
72 | { | |
73 | } | |
74 | #endif /* CONFIG_PAGE_OWNER */ | |
75 | #endif /* __LINUX_PAGE_OWNER_H */ |