Re: [PATCH 4/4] memcg: force use_hierarchy if sane_behavior

From: Kamezawa Hiroyuki
Date: Mon Apr 15 2013 - 11:31:15 EST


(2013/04/13 8:10), Tejun Heo wrote:
> Turn on use_hierarchy by default if sane_behavior is specified and
> don't create .use_hierarchy file.
>
> It is debatable whether to remove .use_hierarchy file or make it ro as
> the former could make transition easier in certain cases; however, the
> behavior changes which will be gated by sane_behavior are intensive
> including changing basic meaning of certain control knobs in a few
> controllers and I don't really think keeping this piece would make
> things easier in any noticeable way, so let's remove it.
>
> Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
> Cc: Michal Hocko <mhocko@xxxxxxx>
> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>

I'd like to say this behaivor as v2 rather than sane_behavior....

Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>

Hmm.. we need to check performance.



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