mm/page_alloc.c: use NODE_MASK_NONE in build_zonelists()

Slightly simplify the code by initializing user_mask with NODE_MASK_NONE, instead of later calling nodes_clear(). This saves a line of code. Signed-off-by: Wei Yang <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Reviewed-by: John Hubbard <[email protected]> Reviewed-by: David Hildenbrand <[email protected]> Reviewed-by: Pankaj Gupta <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Linus Torvalds <[email protected]>
ashr · Jun 4, 2020 · d0ddf49 · d0ddf49
1 parent 97a225e
commit d0ddf49
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
@@ -5692,14 +5692,13 @@ static void build_zonelists(pg_data_t *pgdat)
 {
 	static int node_order[MAX_NUMNODES];
 	int node, load, nr_nodes = 0;
-	nodemask_t used_mask;
+	nodemask_t used_mask = NODE_MASK_NONE;
 	int local_node, prev_node;
 
 	/* NUMA-aware ordering of nodes */
 	local_node = pgdat->node_id;
 	load = nr_online_nodes;
 	prev_node = local_node;
-	nodes_clear(used_mask);
 
 	memset(node_order, 0, sizeof(node_order));
 	while ((node = find_next_best_node(local_node, &used_mask)) >= 0) {