X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=mm%2Fmemcontrol.c;h=bb894b071f59a131453daaa8f0dda315633f77eb;hb=8787a1df30c7b75521fe8cbed42895d47e6b8d52;hp=af4b04f4d74482f9041333bf0ffd1793ea35d328;hpb=0e50ce3b50fb4ffc38c98fe7622361da4d0808c1;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index af4b04f..bb894b0 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -6052,7 +6052,7 @@ struct mem_cgroup *parent_mem_cgroup(struct mem_cgroup *memcg)
 }
 EXPORT_SYMBOL(parent_mem_cgroup);
 
-static int mem_cgroup_soft_limit_tree_init(void)
+static void __init mem_cgroup_soft_limit_tree_init(void)
 {
 	struct mem_cgroup_tree_per_node *rtpn;
 	struct mem_cgroup_tree_per_zone *rtpz;
@@ -6063,8 +6063,7 @@ static int mem_cgroup_soft_limit_tree_init(void)
 		if (!node_state(node, N_NORMAL_MEMORY))
 			tmp = -1;
 		rtpn = kzalloc_node(sizeof(*rtpn), GFP_KERNEL, tmp);
-		if (!rtpn)
-			goto err_cleanup;
+		BUG_ON(!rtpn);
 
 		soft_limit_tree.rb_tree_per_node[node] = rtpn;
 
@@ -6074,17 +6073,6 @@ static int mem_cgroup_soft_limit_tree_init(void)
 			spin_lock_init(&rtpz->lock);
 		}
 	}
-	return 0;
-
-err_cleanup:
-	for_each_node(node) {
-		if (!soft_limit_tree.rb_tree_per_node[node])
-			break;
-		kfree(soft_limit_tree.rb_tree_per_node[node]);
-		soft_limit_tree.rb_tree_per_node[node] = NULL;
-	}
-	return 1;
-
 }
 
 static struct cgroup_subsys_state * __ref
@@ -6106,8 +6094,6 @@ mem_cgroup_css_alloc(struct cgroup *cont)
 	if (cont->parent == NULL) {
 		int cpu;
 
-		if (mem_cgroup_soft_limit_tree_init())
-			goto free_out;
 		root_mem_cgroup = memcg;
 		for_each_possible_cpu(cpu) {
 			struct memcg_stock_pcp *stock =
@@ -6850,6 +6836,7 @@ static int __init mem_cgroup_init(void)
 {
 	hotcpu_notifier(memcg_cpu_hotplug_callback, 0);
 	enable_swap_cgroup();
+	mem_cgroup_soft_limit_tree_init();
 	return 0;
 }
 subsys_initcall(mem_cgroup_init);