Glauber Costa Messages: 916 Registered: October 2011
Senior Member
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 ?
>
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