diff --git a/mm/filemap.c b/mm/filemap.c
index f7f9af1d98b0..bedd8680f789 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -2682,7 +2682,7 @@ static struct page *do_read_cache_page(struct address_space *mapping,
 			put_page(page);
 			if (err == -EEXIST)
 				goto repeat;
-			/* Presumably ENOMEM for radix tree node */
+			/* Presumably ENOMEM for xarray node */
 			return ERR_PTR(err);
 		}