diff options
| -rw-r--r-- | mm/memcontrol.c | 19 |
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); |