63 	int (*migratepage)(struct balloon_dev_info *, struct page *newpage,
64 			struct page *page, enum migrate_mode mode);
67 extern struct page *balloon_page_enqueue(struct balloon_dev_info *b_dev_info);
68 extern struct page *balloon_page_dequeue(struct balloon_dev_info *b_dev_info);
79 extern bool balloon_page_isolate(struct page *page);
80 extern void balloon_page_putback(struct page *page);
81 extern int balloon_page_migrate(struct page *newpage,
82 				struct page *page, enum migrate_mode mode);
87 static inline bool __is_movable_balloon_page(struct page *page)  in __is_movable_balloon_page()  argument
89 	return PageBalloon(page);  in __is_movable_balloon_page()
100 static inline bool balloon_page_movable(struct page *page)  in balloon_page_movable()  argument
102 	return PageBalloon(page) && PagePrivate(page);  in balloon_page_movable()
109 static inline bool isolated_balloon_page(struct page *page)  in isolated_balloon_page()  argument
111 	return PageBalloon(page);  in isolated_balloon_page()
124 				       struct page *page)  in balloon_page_insert()  argument
126 	__SetPageBalloon(page);  in balloon_page_insert()
127 	SetPagePrivate(page);  in balloon_page_insert()
128 	set_page_private(page, (unsigned long)balloon);  in balloon_page_insert()
129 	list_add(&page->lru, &balloon->pages);  in balloon_page_insert()
140 static inline void balloon_page_delete(struct page *page)  in balloon_page_delete()  argument
142 	__ClearPageBalloon(page);  in balloon_page_delete()
143 	set_page_private(page, 0);  in balloon_page_delete()
144 	if (PagePrivate(page)) {  in balloon_page_delete()
145 		ClearPagePrivate(page);  in balloon_page_delete()
146 		list_del(&page->lru);  in balloon_page_delete()
154 static inline struct balloon_dev_info *balloon_page_device(struct page *page)  in balloon_page_device()  argument
156 	return (struct balloon_dev_info *)page_private(page);  in balloon_page_device()
167 				       struct page *page)  in balloon_page_insert()  argument
169 	__SetPageBalloon(page);  in balloon_page_insert()
170 	list_add(&page->lru, &balloon->pages);  in balloon_page_insert()
173 static inline void balloon_page_delete(struct page *page)  in balloon_page_delete()  argument
175 	__ClearPageBalloon(page);  in balloon_page_delete()
176 	list_del(&page->lru);  in balloon_page_delete()
179 static inline bool __is_movable_balloon_page(struct page *page)  in __is_movable_balloon_page()  argument
184 static inline bool balloon_page_movable(struct page *page)  in balloon_page_movable()  argument
189 static inline bool isolated_balloon_page(struct page *page)  in isolated_balloon_page()  argument
194 static inline bool balloon_page_isolate(struct page *page)  in balloon_page_isolate()  argument
199 static inline void balloon_page_putback(struct page *page)  in balloon_page_putback()  argument
204 static inline int balloon_page_migrate(struct page *newpage,  in balloon_page_migrate()
205 				struct page *page, enum migrate_mode mode)  in balloon_page_migrate()  argument