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Linux ip-172-31-46-210 5.15.0-1033-aws #37~20.04.1-Ubuntu SMP Fri Mar 17 11:39:30 UTC 2023 x86_64
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View File Name :
page_owner.h
/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __LINUX_PAGE_OWNER_H #define __LINUX_PAGE_OWNER_H #include <linux/jump_label.h> #ifdef CONFIG_PAGE_OWNER extern struct static_key_false 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 void __split_page_owner(struct page *page, unsigned int nr); extern void __copy_page_owner(struct page *oldpage, struct page *newpage); extern void __set_page_owner_migrate_reason(struct page *page, int reason); extern void __dump_page_owner(const struct page *page); extern void pagetypeinfo_showmixedcount_print(struct seq_file *m, pg_data_t *pgdat, struct zone *zone); static inline void reset_page_owner(struct page *page, unsigned int order) { if (static_branch_unlikely(&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_branch_unlikely(&page_owner_inited)) __set_page_owner(page, order, gfp_mask); } static inline void split_page_owner(struct page *page, unsigned int nr) { if (static_branch_unlikely(&page_owner_inited)) __split_page_owner(page, nr); } static inline void copy_page_owner(struct page *oldpage, struct page *newpage) { if (static_branch_unlikely(&page_owner_inited)) __copy_page_owner(oldpage, newpage); } static inline void set_page_owner_migrate_reason(struct page *page, int reason) { if (static_branch_unlikely(&page_owner_inited)) __set_page_owner_migrate_reason(page, reason); } static inline void dump_page_owner(const struct page *page) { if (static_branch_unlikely(&page_owner_inited)) __dump_page_owner(page); } #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 void split_page_owner(struct page *page, unsigned int order) { } static inline void copy_page_owner(struct page *oldpage, struct page *newpage) { } static inline void set_page_owner_migrate_reason(struct page *page, int reason) { } static inline void dump_page_owner(const struct page *page) { } #endif /* CONFIG_PAGE_OWNER */ #endif /* __LINUX_PAGE_OWNER_H */