58 	int (*migratepage)(struct balloon_dev_info *, struct page *newpage,
59 			struct page *page, enum migrate_mode mode);
63 extern struct page *balloon_page_alloc(void);
65 				 struct page *page);
66 extern struct page *balloon_page_dequeue(struct balloon_dev_info *b_dev_info);
83 extern bool balloon_page_isolate(struct page *page,
85 extern void balloon_page_putback(struct page *page);
87 				struct page *newpage,
88 				struct page *page, enum migrate_mode mode);
100 				       struct page *page)  in balloon_page_insert()  argument
102 	__SetPageOffline(page);  in balloon_page_insert()
103 	__SetPageMovable(page, balloon->inode->i_mapping);  in balloon_page_insert()
104 	set_page_private(page, (unsigned long)balloon);  in balloon_page_insert()
105 	list_add(&page->lru, &balloon->pages);  in balloon_page_insert()
116 static inline void balloon_page_delete(struct page *page)  in balloon_page_delete()  argument
118 	__ClearPageOffline(page);  in balloon_page_delete()
119 	__ClearPageMovable(page);  in balloon_page_delete()
120 	set_page_private(page, 0);  in balloon_page_delete()
125 	if (!PageIsolated(page))  in balloon_page_delete()
126 		list_del(&page->lru);  in balloon_page_delete()
133 static inline struct balloon_dev_info *balloon_page_device(struct page *page)  in balloon_page_device()  argument
135 	return (struct balloon_dev_info *)page_private(page);  in balloon_page_device()
146 				       struct page *page)  in balloon_page_insert()  argument
148 	__SetPageOffline(page);  in balloon_page_insert()
149 	list_add(&page->lru, &balloon->pages);  in balloon_page_insert()
152 static inline void balloon_page_delete(struct page *page)  in balloon_page_delete()  argument
154 	__ClearPageOffline(page);  in balloon_page_delete()
155 	list_del(&page->lru);  in balloon_page_delete()
158 static inline bool balloon_page_isolate(struct page *page)  in balloon_page_isolate()  argument
163 static inline void balloon_page_putback(struct page *page)  in balloon_page_putback()  argument
168 static inline int balloon_page_migrate(struct page *newpage,  in balloon_page_migrate()
169 				struct page *page, enum migrate_mode mode)  in balloon_page_migrate()  argument
188 static inline void balloon_page_push(struct list_head *pages, struct page *page)  in balloon_page_push()  argument
190 	list_add(&page->lru, pages);  in balloon_page_push()
200 static inline struct page *balloon_page_pop(struct list_head *pages)  in balloon_page_pop()
202 	struct page *page = list_first_entry_or_null(pages, struct page, lru);  in balloon_page_pop()  local
204 	if (!page)  in balloon_page_pop()
207 	list_del(&page->lru);  in balloon_page_pop()
208 	return page;  in balloon_page_pop()