267 static inline bool folio_ref_try_add(struct folio *folio, int count)  in folio_ref_try_add()  argument
269 	return folio_ref_add_unless(folio, count, 0);  in folio_ref_try_add()
272 static inline int page_ref_freeze(struct page *page, int count)  in page_ref_freeze()  argument
274 	int ret = likely(atomic_cmpxchg(&page->_refcount, count, 0) == count);  in page_ref_freeze()
277 		__page_ref_freeze(page, count, ret);  in page_ref_freeze()
281 static inline int folio_ref_freeze(struct folio *folio, int count)  in folio_ref_freeze()  argument
283 	return page_ref_freeze(&folio->page, count);  in folio_ref_freeze()
286 static inline void page_ref_unfreeze(struct page *page, int count)  in page_ref_unfreeze()  argument
289 	VM_BUG_ON(count == 0);  in page_ref_unfreeze()
291 	atomic_set_release(&page->_refcount, count);  in page_ref_unfreeze()
293 		__page_ref_unfreeze(page, count);  in page_ref_unfreeze()
296 static inline void folio_ref_unfreeze(struct folio *folio, int count)  in folio_ref_unfreeze()  argument
298 	page_ref_unfreeze(&folio->page, count);  in folio_ref_unfreeze()