Date: Sun, 16 Nov 2008 16:43:10 +0900 (JST)
From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH -mm] vmscan: bail out of page reclaim after swap_cluster_max pages
Cc: kosaki.motohiro@jp.fujitsu.com, Rik van Riel <riel@redhat.com>,
       linux-kernel@vger.kernel.org, linux-mm@kvack.org
In-Reply-To: <20081114091828.48fc4b67.akpm@linux-foundation.org>
References: <491D8CEC.5050106@redhat.com> <20081114091828.48fc4b67.akpm@linux-foundation.org>
Message-Id: <20081116163915.F208.KOSAKI.MOTOHIRO@jp.fujitsu.com>
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> > 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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