GIF89a;
Direktori : /usr/src/kernels/3.10.0-1160.88.1.el7.centos.plus.x86_64/include/linux/ |
Current File : //usr/src/kernels/3.10.0-1160.88.1.el7.centos.plus.x86_64/include/linux/page_owner.h |
#ifndef __LINUX_PAGE_OWNER_H #define __LINUX_PAGE_OWNER_H #include <linux/jump_label.h> #ifdef CONFIG_PAGE_OWNER extern bool page_owner_disabled; extern struct static_key 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); extern gfp_t __get_page_owner_gfp(struct page *page); static inline void reset_page_owner(struct page *page, unsigned int order) { if (static_key_false(&page_owner_inited)) __reset_page_owner(page, order); } static inline void set_page_owner(struct page *page, unsigned int order, gfp_t gfp_mask) { if (static_key_false(&page_owner_inited)) __set_page_owner(page, order, gfp_mask); } static inline gfp_t get_page_owner_gfp(struct page *page) { if (static_key_false(&page_owner_inited)) return __get_page_owner_gfp(page); else return 0; } #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) { } static inline gfp_t get_page_owner_gfp(struct page *page) { return 0; } #endif /* CONFIG_PAGE_OWNER */ #endif /* __LINUX_PAGE_OWNER_H */