On 08/10/2012 09:51 PM, Kamezawa Hiroyuki wrote: >> + /* >> + * Once enabled, can't be disabled. We could in theory disable >> + * it if we haven't yet created any caches, or if we can shrink >> + * them all to death. But it is not worth the trouble >> + */ >> static_key_slow_inc(&memcg_kmem_enabled_key); >> - memcg->kmem_accounted = true; >> + >> + if (!memcg->use_hierarchy) >> + goto out; >> + >> + for_each_mem_cgroup_tree(iter, memcg) { >> + if (iter == memcg) >> + continue; >> + memcg_kmem_account_parent(iter); >> + } > > Could you add an explanation comment ? > Of course, Kame. Thanks -- 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>