Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
48c96a36 JK |
2 | #ifndef __LINUX_PAGE_OWNER_H |
3 | #define __LINUX_PAGE_OWNER_H | |
4 | ||
7dd80b8a VB |
5 | #include <linux/jump_label.h> |
6 | ||
48c96a36 | 7 | #ifdef CONFIG_PAGE_OWNER |
7dd80b8a | 8 | extern struct static_key_false page_owner_inited; |
48c96a36 JK |
9 | extern struct page_ext_operations page_owner_ops; |
10 | ||
11 | extern void __reset_page_owner(struct page *page, unsigned int order); | |
12 | extern void __set_page_owner(struct page *page, | |
13 | unsigned int order, gfp_t gfp_mask); | |
a9627bc5 | 14 | extern void __split_page_owner(struct page *page, unsigned int order); |
d435edca | 15 | extern void __copy_page_owner(struct page *oldpage, struct page *newpage); |
7cd12b4a | 16 | extern void __set_page_owner_migrate_reason(struct page *page, int reason); |
4e462112 | 17 | extern void __dump_page_owner(struct page *page); |
e2f612e6 JK |
18 | extern void pagetypeinfo_showmixedcount_print(struct seq_file *m, |
19 | pg_data_t *pgdat, struct zone *zone); | |
48c96a36 JK |
20 | |
21 | static inline void reset_page_owner(struct page *page, unsigned int order) | |
22 | { | |
7dd80b8a VB |
23 | if (static_branch_unlikely(&page_owner_inited)) |
24 | __reset_page_owner(page, order); | |
48c96a36 JK |
25 | } |
26 | ||
27 | static inline void set_page_owner(struct page *page, | |
28 | unsigned int order, gfp_t gfp_mask) | |
29 | { | |
7dd80b8a VB |
30 | if (static_branch_unlikely(&page_owner_inited)) |
31 | __set_page_owner(page, order, gfp_mask); | |
48c96a36 | 32 | } |
e2cfc911 | 33 | |
a9627bc5 | 34 | static inline void split_page_owner(struct page *page, unsigned int order) |
e2cfc911 | 35 | { |
7dd80b8a | 36 | if (static_branch_unlikely(&page_owner_inited)) |
a9627bc5 | 37 | __split_page_owner(page, order); |
e2cfc911 | 38 | } |
d435edca VB |
39 | static inline void copy_page_owner(struct page *oldpage, struct page *newpage) |
40 | { | |
41 | if (static_branch_unlikely(&page_owner_inited)) | |
42 | __copy_page_owner(oldpage, newpage); | |
43 | } | |
7cd12b4a VB |
44 | static inline void set_page_owner_migrate_reason(struct page *page, int reason) |
45 | { | |
46 | if (static_branch_unlikely(&page_owner_inited)) | |
47 | __set_page_owner_migrate_reason(page, reason); | |
48 | } | |
4e462112 VB |
49 | static inline void dump_page_owner(struct page *page) |
50 | { | |
51 | if (static_branch_unlikely(&page_owner_inited)) | |
52 | __dump_page_owner(page); | |
53 | } | |
48c96a36 JK |
54 | #else |
55 | static inline void reset_page_owner(struct page *page, unsigned int order) | |
56 | { | |
57 | } | |
58 | static inline void set_page_owner(struct page *page, | |
59 | unsigned int order, gfp_t gfp_mask) | |
60 | { | |
61 | } | |
a9627bc5 JK |
62 | static inline void split_page_owner(struct page *page, |
63 | unsigned int order) | |
e2cfc911 | 64 | { |
e2cfc911 | 65 | } |
d435edca VB |
66 | static inline void copy_page_owner(struct page *oldpage, struct page *newpage) |
67 | { | |
68 | } | |
7cd12b4a VB |
69 | static inline void set_page_owner_migrate_reason(struct page *page, int reason) |
70 | { | |
71 | } | |
4e462112 VB |
72 | static inline void dump_page_owner(struct page *page) |
73 | { | |
74 | } | |
48c96a36 JK |
75 | #endif /* CONFIG_PAGE_OWNER */ |
76 | #endif /* __LINUX_PAGE_OWNER_H */ |