Re: [RFC][PATCH 11/9] lazy lru free vector for memcg

Pavel Emelyanov
2008-09-16T12:24:26Z

[snip]

> @@ -938,6 +1047,7 @@ static int mem_cgroup_force_empty(struct
> * So, we have to do loop here until all lists are empty.
> */
> while (mem->res.usage > 0) {
> + drain_page_cgroup_all();

Shouldn't we wait here till the drain process completes?

> if (atomic_read(&mem->css.cgroup->count) > 0)
> goto out;
> for_each_node_state(node, N_POSSIBLE)