10 typedef struct page *new_page_t(struct page *page, unsigned long private);
11 typedef void free_page_t(struct page *page, unsigned long private);
17  * - negative errno on page migration failure;
18  * - zero on page migration success;
46 			struct page *newpage, struct page *page,
51 extern struct page *alloc_migration_target(struct page *page, unsigned long private);
52 extern int isolate_movable_page(struct page *page, isolate_mode_t mode);
54 extern void migrate_page_states(struct page *newpage, struct page *page);
55 extern void migrate_page_copy(struct page *newpage, struct page *page);
57 				  struct page *newpage, struct page *page);
59 		struct page *newpage, struct page *page, int extra_count);
67 static inline struct page *alloc_migration_target(struct page *page,  in alloc_migration_target()  argument
70 static inline int isolate_movable_page(struct page *page, isolate_mode_t mode)  in isolate_movable_page()  argument
73 static inline void migrate_page_states(struct page *newpage, struct page *page)  in migrate_page_states()  argument
77 static inline void migrate_page_copy(struct page *newpage,  in migrate_page_copy()
78 				     struct page *page) {}  in migrate_page_copy()  argument
81 				  struct page *newpage, struct page *page)  in migrate_huge_page_move_mapping()  argument
88 extern int PageMovable(struct page *page);
89 extern void __SetPageMovable(struct page *page, struct address_space *mapping);
90 extern void __ClearPageMovable(struct page *page);
92 static inline int PageMovable(struct page *page) { return 0; }  in PageMovable()  argument
93 static inline void __SetPageMovable(struct page *page,  in __SetPageMovable()  argument
97 static inline void __ClearPageMovable(struct page *page)  in __ClearPageMovable()  argument
103 extern int migrate_misplaced_page(struct page *page,
106 static inline int migrate_misplaced_page(struct page *page,  in migrate_misplaced_page()  argument
126 static inline struct page *migrate_pfn_to_page(unsigned long mpfn)  in migrate_pfn_to_page()
161 	 * Set to the owner value also stored in page->pgmap->owner for