diff --git a/mm/memblock.c b/mm/memblock.c
index 913b2520a9a0..0863222af4a4 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -424,7 +424,7 @@ static int __init_memblock memblock_double_array(struct memblock_type *type,
 	 * of memory that aren't suitable for allocation
 	 */
 	if (!memblock_can_resize)
-		return -1;
+		panic("memblock: cannot resize %s array\n", type->name);
 
 	/* Calculate new doubled size */
 	old_size = type->max * sizeof(struct memblock_region);