linux-kernel - Re: [PATCH v1 3/3] mm: per-process reclaim

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Message-ID: <20160616110733.GB12437@dhcp22.suse.cz>
Date:	Thu, 16 Jun 2016 13:07:34 +0200
From:	Michal Hocko <mhocko@...nel.org>
To:	Minchan Kim <minchan@...nel.org>
Cc:	Johannes Weiner <hannes@...xchg.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Rik van Riel <riel@...hat.com>,
	Sangwoo Park <sangwoo2.park@....com>
Subject: Re: [PATCH v1 3/3] mm: per-process reclaim

On Wed 15-06-16 09:40:27, Minchan Kim wrote:
[...]
> A question is it seems cgroup2 doesn't have per-cgroup swappiness.
> Why?

There was no strong use case for it AFAICT.
 
> I think we need it in one-cgroup-per-app model.

I wouldn't be opposed if it is really needed.
-- 
Michal Hocko
SUSE Labs