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usr
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src
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linux-headers-6.8.0-83
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include
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linux
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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 short order); extern void __set_page_owner(struct page *page, unsigned short order, gfp_t gfp_mask); extern void __split_page_owner(struct page *page, unsigned int nr); extern void __folio_copy_owner(struct folio *newfolio, struct folio *old); 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 short order) { if (static_branch_unlikely(&page_owner_inited)) __reset_page_owner(page, order); } static inline void set_page_owner(struct page *page, unsigned short 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 folio_copy_owner(struct folio *newfolio, struct folio *old) { if (static_branch_unlikely(&page_owner_inited)) __folio_copy_owner(newfolio, old); } 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 short 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 short order) { } static inline void folio_copy_owner(struct folio *newfolio, struct folio *folio) { } 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 */
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