The initialization code for the per-cpu charge stock and the soft limit tree is compact enough to inline it into mem_cgroup_init(). Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx> --- mm/memcontrol.c | 57 ++++++++++++++++++++++++--------------------------------- 1 file changed, 24 insertions(+), 33 deletions(-) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index aad254b30708..f66bb8f83ac9 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -2137,17 +2137,6 @@ static void drain_local_stock(struct work_struct *dummy) clear_bit(FLUSHING_CACHED_CHARGE, &stock->flags); } -static void __init memcg_stock_init(void) -{ - int cpu; - - for_each_possible_cpu(cpu) { - struct memcg_stock_pcp *stock = - &per_cpu(memcg_stock, cpu); - INIT_WORK(&stock->work, drain_local_stock); - } -} - /* * Cache charges(val) to local per_cpu area. * This will be consumed by consume_stock() function, later. @@ -4516,26 +4505,6 @@ struct mem_cgroup *parent_mem_cgroup(struct mem_cgroup *memcg) } EXPORT_SYMBOL(parent_mem_cgroup); -static void __init mem_cgroup_soft_limit_tree_init(void) -{ - struct mem_cgroup_tree_per_node *rtpn; - struct mem_cgroup_tree_per_zone *rtpz; - int node, zone; - - for_each_node(node) { - rtpn = kzalloc_node(sizeof(*rtpn), GFP_KERNEL, node); - BUG_ON(!rtpn); - - soft_limit_tree.rb_tree_per_node[node] = rtpn; - - for (zone = 0; zone < MAX_NR_ZONES; zone++) { - rtpz = &rtpn->rb_tree_per_zone[zone]; - rtpz->rb_root = RB_ROOT; - spin_lock_init(&rtpz->lock); - } - } -} - static struct cgroup_subsys_state * __ref mem_cgroup_css_alloc(struct cgroup_subsys_state *parent_css) { @@ -5927,10 +5896,32 @@ void mem_cgroup_migrate(struct page *oldpage, struct page *newpage, */ static int __init mem_cgroup_init(void) { + int cpu, nid; + hotcpu_notifier(memcg_cpu_hotplug_callback, 0); + + for_each_possible_cpu(cpu) + INIT_WORK(&per_cpu_ptr(&memcg_stock, cpu)->work, + drain_local_stock); + + for_each_node(nid) { + struct mem_cgroup_tree_per_node *rtpn; + int zone; + + rtpn = kzalloc_node(sizeof(*rtpn), GFP_KERNEL, nid); + + for (zone = 0; zone < MAX_NR_ZONES; zone++) { + struct mem_cgroup_tree_per_zone *rtpz; + + rtpz = &rtpn->rb_tree_per_zone[zone]; + rtpz->rb_root = RB_ROOT; + spin_lock_init(&rtpz->lock); + } + soft_limit_tree.rb_tree_per_node[nid] = rtpn; + } + enable_swap_cgroup(); - mem_cgroup_soft_limit_tree_init(); - memcg_stock_init(); + return 0; } subsys_initcall(mem_cgroup_init); -- 2.2.0 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>