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e2f612e673
There is no reason that page_owner specific function resides on vmstat.c. Link: http://lkml.kernel.org/r/1471315879-32294-4-git-send-email-iamjoonsoo.kim@lge.com Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Cc: Minchan Kim <minchan@kernel.org> Cc: Michal Hocko <mhocko@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
76 lines
2.3 KiB
C
76 lines
2.3 KiB
C
#ifndef __LINUX_PAGE_OWNER_H
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#define __LINUX_PAGE_OWNER_H
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#include <linux/jump_label.h>
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#ifdef CONFIG_PAGE_OWNER
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extern struct static_key_false page_owner_inited;
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extern struct page_ext_operations page_owner_ops;
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extern void __reset_page_owner(struct page *page, unsigned int order);
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extern void __set_page_owner(struct page *page,
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unsigned int order, gfp_t gfp_mask);
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extern void __split_page_owner(struct page *page, unsigned int order);
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extern void __copy_page_owner(struct page *oldpage, struct page *newpage);
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extern void __set_page_owner_migrate_reason(struct page *page, int reason);
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extern void __dump_page_owner(struct page *page);
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extern void pagetypeinfo_showmixedcount_print(struct seq_file *m,
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pg_data_t *pgdat, struct zone *zone);
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static inline void reset_page_owner(struct page *page, unsigned int order)
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{
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if (static_branch_unlikely(&page_owner_inited))
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__reset_page_owner(page, order);
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}
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static inline void set_page_owner(struct page *page,
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unsigned int order, gfp_t gfp_mask)
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{
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if (static_branch_unlikely(&page_owner_inited))
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__set_page_owner(page, order, gfp_mask);
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}
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static inline void split_page_owner(struct page *page, unsigned int order)
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{
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if (static_branch_unlikely(&page_owner_inited))
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__split_page_owner(page, order);
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}
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static inline void copy_page_owner(struct page *oldpage, struct page *newpage)
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{
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if (static_branch_unlikely(&page_owner_inited))
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__copy_page_owner(oldpage, newpage);
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}
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static inline void set_page_owner_migrate_reason(struct page *page, int reason)
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{
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if (static_branch_unlikely(&page_owner_inited))
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__set_page_owner_migrate_reason(page, reason);
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}
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static inline void dump_page_owner(struct page *page)
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{
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if (static_branch_unlikely(&page_owner_inited))
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__dump_page_owner(page);
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}
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#else
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static inline void reset_page_owner(struct page *page, unsigned int order)
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{
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}
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static inline void set_page_owner(struct page *page,
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unsigned int order, gfp_t gfp_mask)
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{
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}
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static inline void split_page_owner(struct page *page,
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unsigned int order)
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{
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}
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static inline void copy_page_owner(struct page *oldpage, struct page *newpage)
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{
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}
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static inline void set_page_owner_migrate_reason(struct page *page, int reason)
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{
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}
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static inline void dump_page_owner(struct page *page)
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{
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}
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#endif /* CONFIG_PAGE_OWNER */
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#endif /* __LINUX_PAGE_OWNER_H */
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