diff --git a/mm/internal.h b/mm/internal.h
index 841c27611627..398741a8ab09 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -741,7 +741,7 @@ static inline void prep_compound_tail(struct page *tail,
 {
 	tail->mapping = TAIL_MAPPING;
 	set_compound_head(tail, head, order);
-	set_page_private(tail, 0);
+	VM_WARN_ON_ONCE(tail->private);
 }
 
 static inline void init_compound_tail(struct page *tail,