projects / deliverable / linux.git / blame
| 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 */ |