memcg: cleanup for_each_node_state()

We already have for_each_node(node) define in nodemask.h, better to use it. Signed-off-by: Bob Liu <[email protected]> Acked-by: Michal Hocko <[email protected]> Cc: Johannes Weiner <[email protected]> Acked-by: KAMEZAWA Hiroyuki <[email protected]> Cc: KOSAKI Motohiro <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
mgowda · Jan 13, 2012 · 3ed28fa · 3ed28fa
1 parent 38c5d72
commit 3ed28fa
Showing 1 changed file with 5 additions and 5 deletions.
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
@@ -565,7 +565,7 @@ static void mem_cgroup_remove_from_trees(struct mem_cgroup *memcg)
 	struct mem_cgroup_per_zone *mz;
 	struct mem_cgroup_tree_per_zone *mctz;
 
-	for_each_node_state(node, N_POSSIBLE) {
+	for_each_node(node) {
 		for (zone = 0; zone < MAX_NR_ZONES; zone++) {
 			mz = mem_cgroup_zoneinfo(memcg, node, zone);
 			mctz = soft_limit_tree_node_zone(node, zone);
@@ -4818,7 +4818,7 @@ static void __mem_cgroup_free(struct mem_cgroup *memcg)
 	mem_cgroup_remove_from_trees(memcg);
 	free_css_id(&mem_cgroup_subsys, &memcg->css);
 
-	for_each_node_state(node, N_POSSIBLE)
+	for_each_node(node)
 		free_mem_cgroup_per_zone_info(memcg, node);
 
 	free_percpu(memcg->stat);
@@ -4877,7 +4877,7 @@ static int mem_cgroup_soft_limit_tree_init(void)
 	struct mem_cgroup_tree_per_zone *rtpz;
 	int tmp, node, zone;
 
-	for_each_node_state(node, N_POSSIBLE) {
+	for_each_node(node) {
 		tmp = node;
 		if (!node_state(node, N_NORMAL_MEMORY))
 			tmp = -1;
@@ -4896,7 +4896,7 @@ static int mem_cgroup_soft_limit_tree_init(void)
 	return 0;
 
 err_cleanup:
-	for_each_node_state(node, N_POSSIBLE) {
+	for_each_node(node) {
 		if (!soft_limit_tree.rb_tree_per_node[node])
 			break;
 		kfree(soft_limit_tree.rb_tree_per_node[node]);
@@ -4917,7 +4917,7 @@ mem_cgroup_create(struct cgroup_subsys *ss, struct cgroup *cont)
 	if (!memcg)
 		return ERR_PTR(error);
 
-	for_each_node_state(node, N_POSSIBLE)
+	for_each_node(node)
 		if (alloc_mem_cgroup_per_zone_info(memcg, node))
 			goto free_out;