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Diffstat (limited to 'mm/memcontrol.c')
-rw-r--r--mm/memcontrol.c19
1 files changed, 3 insertions, 16 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index af4b04f4d744..bb894b071f59 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);