Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759735Ab3DIR1V (ORCPT ); Tue, 9 Apr 2013 13:27:21 -0400 Received: from a193-30.smtp-out.amazonses.com ([199.255.193.30]:34252 "EHLO a193-30.smtp-out.amazonses.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751406Ab3DIR1U (ORCPT ); Tue, 9 Apr 2013 13:27:20 -0400 Date: Tue, 9 Apr 2013 17:27:18 +0000 From: Christoph Lameter X-X-Sender: cl@gentwo.org To: Mel Gorman cc: Andrew Morton , Jiri Slaby , Valdis Kletnieks , Rik van Riel , Zlatko Calusic , Johannes Weiner , dormando , Satoru Moriya , Michal Hocko , Linux-MM , LKML 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> References: <1365505625-9460-1-git-send-email-mgorman@suse.de> User-Agent: Alpine 2.02 (DEB 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-SES-Outgoing: 199.255.193.30 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 509 Lines: 14 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. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/