linux-kernel - Re: [patch] mm: memcontrol: default hierarchy interface for memory fix

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Message-ID: <20150120141628.GA11181@phnom.home.cmpxchg.org>
Date:	Tue, 20 Jan 2015 09:16:28 -0500
From:	Johannes Weiner <hannes@...xchg.org>
To:	Michal Hocko <mhocko@...e.cz>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Vladimir Davydov <vdavydov@...allels.com>,
	Greg Thelen <gthelen@...gle.com>, linux-mm@...ck.org,
	cgroups@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [patch] mm: memcontrol: default hierarchy interface for memory
 fix - high reclaim

On Tue, Jan 20, 2015 at 02:25:19PM +0100, Michal Hocko wrote:
> On Sat 17-01-15 10:21:19, Johannes Weiner wrote:
> > High limit reclaim can currently overscan in proportion to how many
> > charges are happening concurrently.  Tone it down such that charges
> > don't target the entire high-boundary excess, but instead only the
> > pages they charged themselves when excess is detected.
> > 
> > Reported-by: Michal Hocko <mhocko@...e.cz>
> > Signed-off-by: Johannes Weiner <hannes@...xchg.org>
> 
> I certainly agree with this approach.
> Acked-by: Michal Hocko <mhocko@...e.cz>

Thanks!

> Is this planned to be folded into the original patch or go on its own. I
> am OK with both ways, maybe having it separate would be better from
> documentation POV.

I submitted them to be folded in.  Which aspect would you like to see
documented?
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