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Date: Wed, 12 Dec 2012 17:01:02 -0500
From: Rik van Riel <riel@...hat.com>
To: Johannes Weiner <hannes@...xchg.org>
CC: Andrew Morton <akpm@...ux-foundation.org>,
Michal Hocko <mhocko@...e.cz>, Mel Gorman <mgorman@...e.de>,
Hugh Dickins <hughd@...gle.com>, linux-mm@...ck.org,
linux-kernel@...r.kernel.org
Subject: Re: [patch 2/8] mm: vmscan: disregard swappiness shortly before going
OOM
On 12/12/2012 04:43 PM, Johannes Weiner wrote:
> When a reclaim scanner is doing its final scan before giving up and
> there is swap space available, pay no attention to swappiness
> preference anymore. Just swap.
>
> Note that this change won't make too big of a difference for general
> reclaim: anonymous pages are already force-scanned when there is only
> very little file cache left, and there very likely isn't when the
> reclaimer enters this final cycle.
>
> Signed-off-by: Johannes Weiner <hannes@...xchg.org>
Reviewed-by: Rik van Riel <riel@...hat.com>
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