diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 15d1407..48427a7 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5073,7 +5073,7 @@
 	nodemask_t saved_node_state = node_states[N_MEMORY];
 	unsigned long totalpages = early_calculate_totalpages();
 	int usable_nodes = nodes_weight(node_states[N_MEMORY]);
-	struct memblock_type *type = &memblock.memory;
+	struct memblock_region *r;
 
 	/* Need to find movable_zone earlier when movable_node is specified. */
 	find_usable_zone_for_movable();
@@ -5083,13 +5083,13 @@
 	 * options.
 	 */
 	if (movable_node_is_enabled()) {
-		for (i = 0; i < type->cnt; i++) {
-			if (!memblock_is_hotpluggable(&type->regions[i]))
+		for_each_memblock(memory, r) {
+			if (!memblock_is_hotpluggable(r))
 				continue;
 
-			nid = type->regions[i].nid;
+			nid = r->nid;
 
-			usable_startpfn = PFN_DOWN(type->regions[i].base);
+			usable_startpfn = PFN_DOWN(r->base);
 			zone_movable_pfn[nid] = zone_movable_pfn[nid] ?
 				min(usable_startpfn, zone_movable_pfn[nid]) :
 				usable_startpfn;