1 files changed, 11 insertions, 0 deletions
diff --git a/mm/internal.h b/mm/internal.h
index 6b7ef495b56d..d01130efce5f 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -163,6 +163,17 @@ static inline void set_page_refcounted(struct page *page)
 	set_page_count(page, 1);
 }
 
+/*
+ * Return true if a folio needs ->release_folio() calling upon it.
+ */
+static inline bool folio_needs_release(struct folio *folio)
+{
+	struct address_space *mapping = folio_mapping(folio);
+
+	return folio_has_private(folio) ||
+		(mapping && mapping_release_always(mapping));
+}
+
 extern unsigned long highest_memmap_pfn;
 
 /*