Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756525Ab0BLSgU (ORCPT ); Fri, 12 Feb 2010 13:36:20 -0500 Received: from lennier.cc.vt.edu ([198.82.162.213]:34898 "EHLO lennier.cc.vt.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754666Ab0BLSgT (ORCPT ); Fri, 12 Feb 2010 13:36:19 -0500 X-Mailer: exmh version 2.7.2 01/07/2005 with nmh-1.2 To: Mel Gorman Cc: Andrea Arcangeli , Christoph Lameter , Adam Litke , Avi Kivity , David Rientjes , KOSAKI Motohiro , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH 06/12] Add /proc trigger for memory compaction In-Reply-To: Your message of "Fri, 12 Feb 2010 12:00:53 GMT." <1265976059-7459-7-git-send-email-mel@csn.ul.ie> From: Valdis.Kletnieks@vt.edu References: <1265976059-7459-1-git-send-email-mel@csn.ul.ie> <1265976059-7459-7-git-send-email-mel@csn.ul.ie> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1265999680_4070P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Fri, 12 Feb 2010 13:34:40 -0500 Message-ID: <7691.1265999680@localhost> X-Mirapoint-Received-SPF: 128.173.14.107 localhost Valdis.Kletnieks@vt.edu 2 pass X-Mirapoint-IP-Reputation: reputation=neutral-1, source=Fixed, refid=n/a, actions=MAILHURDLE SPF TAG X-Junkmail-Info: (45) HELO_LOCALHOST X-Junkmail-Status: score=45/50, host=vivi.cc.vt.edu X-Junkmail-SD-Raw: score=unknown, refid=str=0001.0A020203.4B759F41.00E1,ss=1,fgs=0, ip=0.0.0.0, so=2009-09-22 00:05:22, dmn=2009-09-10 00:05:08, mode=multiengine X-Junkmail-IWF: false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1102 Lines: 32 --==_Exmh_1265999680_4070P Content-Type: text/plain; charset=us-ascii On Fri, 12 Feb 2010 12:00:53 GMT, Mel Gorman said: > This patch adds a proc file /proc/sys/vm/compact_memory. When an arbitrary > value is written to the file, all zones are compacted. The expected user > of such a trigger is a job scheduler that prepares the system before the > target application runs. Argh. A global trigger in /proc, and a per-node trigger in /sys too. Can we get by with just one or the other? Should the /proc one live in /sys too? --==_Exmh_1265999680_4070P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001 iD8DBQFLdZ9AcC3lWbTT17ARAuqMAJ9zE7Mlw+qy2dVG4qMLTgAviVaRlgCfTdBT MFUCALw++Nh/mf9587aU584= =J6gQ -----END PGP SIGNATURE----- --==_Exmh_1265999680_4070P-- -- 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/