--- x/mm/page_alloc.c
+++ y/mm/page_alloc.c
@@ -6537,10 +6537,12 @@ static void build_zonelists(pg_data_t *p
 
 	build_zonelists_in_node_order(pgdat, node_order, nr_nodes);
 	build_thisnode_zonelists(pgdat);
+	write_sequnlock(&zonelist_update_seq);
 	pr_info("Fallback order for Node %d: ", local_node);
 	for (node = 0; node < nr_nodes; node++)
 		pr_cont("%d ", node_order[node]);
 	pr_cont("\n");
+	write_seqlock(&zonelist_update_seq);
 }
 
 #ifdef CONFIG_HAVE_MEMORYLESS_NODES