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Date: Tue, 9 Apr 2013 17:27:18 +0000
From: Christoph Lameter <cl@linux.com>
Subject: Re: [PATCH 0/10] Reduce system disruption due to kswapd V2
In-Reply-To: <1365505625-9460-1-git-send-email-mgorman@suse.de>
Message-ID: <0000013defd666bf-213d70fc-dfbd-4a50-82ed-e9f4f7391b55-000000@email.amazonses.com>
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To: Mel Gorman <mgorman@suse.de>
Cc: Andrew Morton <akpm@linux-foundation.org>, Jiri Slaby <jslaby@suse.cz>, Valdis Kletnieks <Valdis.Kletnieks@vt.edu>, Rik van Riel <riel@redhat.com>, Zlatko Calusic <zcalusic@bitsync.net>, Johannes Weiner <hannes@cmpxchg.org>, dormando <dormando@rydia.net>, Satoru Moriya <satoru.moriya@hds.com>, Michal Hocko <mhocko@suse.cz>, Linux-MM <linux-mm@kvack.org>, LKML <linux-kernel@vger.kernel.org>

One additional measure that may be useful is to make kswapd prefer one
specific processor on a socket. Two benefits arise from that:

1. Better use of cpu caches and therefore higher speed, less
serialization.

2. Reduction of the disturbances to one processor.


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