linux-kernel - Re: [RFC PATCH 0/8] Reduce system disruption due to kswapd

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Date:	Fri, 22 Mar 2013 14:37:27 +0000
From:	Mel Gorman <mgorman@...e.de>
To:	Linux-MM <linux-mm@...ck.org>
Cc:	Jiri Slaby <jslaby@...e.cz>,
	Valdis Kletnieks <Valdis.Kletnieks@...edu>,
	Rik van Riel <riel@...hat.com>,
	Damien Wyart <damien.wyart@...il.com>,
	Zlatko Calusic <zcalusic@...sync.net>,
	Johannes Weiner <hannes@...xchg.org>,
	dormando <dormando@...ia.net>,
	Satoru Moriya <satoru.moriya@....com>,
	Michal Hocko <mhocko@...e.cz>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH 0/8] Reduce system disruption due to kswapd

On Sun, Mar 17, 2013 at 01:04:06PM +0000, Mel Gorman wrote:
> Kswapd and page reclaim behaviour has been screwy in one way or the other
> for a long time. Very broadly speaking it worked in the far past because
> machines were limited in memory so it did not have that many pages to scan
> and it stalled congestion_wait() frequently to prevent it going completely
> nuts. In recent times it has behaved very unsatisfactorily with some of
> the problems compounded by the removal of stall logic and the introduction
> of transparent hugepage support with high-order reclaims.
> 

With the current set of feedback the series as it currently stands for
me is located here

git://git.kernel.org/pub/scm/linux/kernel/git/mel/linux.git mm-vmscan-limit-reclaim-v2r7

I haven't tested this version myself yet but others might be interested.

-- 
Mel Gorman
SUSE Labs
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