--- x/mm/internal.h
+++ y/mm/internal.h
@@ -181,7 +181,7 @@ static inline void set_page_refcounted(s
  */
 static inline bool folio_needs_release(struct folio *folio)
 {
-	struct address_space *mapping = folio->mapping;
+	struct address_space *mapping = folio_mapping(folio);
 
 	return folio_has_private(folio) ||
 		(mapping && mapping_release_always(mapping));