Re: [PATCH] memcg: deprecate memory.force_empty knob

Tejun Heo
2014-05-12T15:00:23Z

On Mon, May 12, 2014 at 04:58:03PM +0200, Michal Hocko wrote:
> @@ -4793,6 +4793,10 @@ static int mem_cgroup_force_empty_write(struct cgroup_subsys_state *css,
>
> if (mem_cgroup_is_root(memcg))
> return -EINVAL;
> + pr_info("%s (%d): memory.force_empty is deprecated and will be removed.",
> + current->comm, task_pid_nr(current));
> + pr_cont(" Let us know if you know if it needed in your usecase at");
> + pr_cont(" linux-mm@kvack.org\n");
> return mem_cgroup_force_empty(memcg);

It probably would be way easier to just mark the knob with
CFTYPE_INSANE.

Thanks.

--
tejun