linux-kernel - Re: [PATCH -mm] vmscan: bail out of page reclaim after swap_cluster

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Message-Id: <20081116163915.F208.KOSAKI.MOTOHIRO@jp.fujitsu.com>
Date:	Sun, 16 Nov 2008 16:43:10 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	kosaki.motohiro@...fujitsu.com, Rik van Riel <riel@...hat.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH -mm] vmscan: bail out of page reclaim after swap_cluster_max pages

> > Of course, one thing we could do is exempt kswapd from this check.
> > During light reclaim, kswapd does most of the eviction so scanning
> > should remain balanced.  Having one process fall down to a lower
> > priority level is also not a big problem.
> > 
> > As long as the direct reclaim processes do not also fall into the
> > same trap, the situation should be manageable.
> > 
> > Does that sound reasonable to you?
> 
> I'll need to find some time to go dig through the changelogs.  

as far as I tried, git database doesn't have that changelogs.
FWIW, I guess it is more old.




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