| #ifndef __LINUX_PAGE_OWNER_H |
| #define __LINUX_PAGE_OWNER_H |
| |
| #ifdef CONFIG_PAGE_OWNER |
| extern bool page_owner_inited; |
| extern struct page_ext_operations page_owner_ops; |
| |
| extern void __reset_page_owner(struct page *page, unsigned int order); |
| extern void __set_page_owner(struct page *page, |
| unsigned int order, gfp_t gfp_mask); |
| |
| static inline void reset_page_owner(struct page *page, unsigned int order) |
| { |
| if (likely(!page_owner_inited)) |
| return; |
| |
| __reset_page_owner(page, order); |
| } |
| |
| static inline void set_page_owner(struct page *page, |
| unsigned int order, gfp_t gfp_mask) |
| { |
| if (likely(!page_owner_inited)) |
| return; |
| |
| __set_page_owner(page, order, gfp_mask); |
| } |
| #else |
| static inline void reset_page_owner(struct page *page, unsigned int order) |
| { |
| } |
| static inline void set_page_owner(struct page *page, |
| unsigned int order, gfp_t gfp_mask) |
| { |
| } |
| |
| #endif /* CONFIG_PAGE_OWNER */ |
| #endif /* __LINUX_PAGE_OWNER_H */ |