From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752197Ab0CQDSW (ORCPT ); Tue, 16 Mar 2010 23:18:22 -0400 Received: from fgwmail7.fujitsu.co.jp ([192.51.44.37]:45244 "EHLO fgwmail7.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752088Ab0CQDST (ORCPT ); Tue, 16 Mar 2010 23:18:19 -0400 X-SecurityPolicyCheck-FJ: OK by FujitsuOutboundMailChecker v1.3.1 From: KOSAKI Motohiro To: Mel Gorman Subject: Re: [PATCH 09/11] Add /sys trigger for per-node memory compaction Cc: kosaki.motohiro@jp.fujitsu.com, Andrew Morton , Andrea Arcangeli , Christoph Lameter , Adam Litke , Avi Kivity , David Rientjes , Rik van Riel , linux-kernel@vger.kernel.org, linux-mm@kvack.org In-Reply-To: <1268412087-13536-10-git-send-email-mel@csn.ul.ie> References: <1268412087-13536-1-git-send-email-mel@csn.ul.ie> <1268412087-13536-10-git-send-email-mel@csn.ul.ie> Message-Id: <20100317121749.4CA3.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Becky! ver. 2.50.07 [ja] Date: Wed, 17 Mar 2010 12:18:16 +0900 (JST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > This patch adds a per-node sysfs file called compact. When the file is > written to, each zone in that node is compacted. The intention that this > would be used by something like a job scheduler in a batch system before > a job starts so that the job can allocate the maximum number of > hugepages without significant start-up cost. > > Signed-off-by: Mel Gorman > Acked-by: Rik van Riel Reviewed-by: KOSAKI Motohiro From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail144.messagelabs.com (mail144.messagelabs.com [216.82.254.51]) by kanga.kvack.org (Postfix) with SMTP id D49066B0078 for ; Tue, 16 Mar 2010 23:18:19 -0400 (EDT) Received: from m4.gw.fujitsu.co.jp ([10.0.50.74]) by fgwmail6.fujitsu.co.jp (Fujitsu Gateway) with ESMTP id o2H3IHF1007808 for (envelope-from kosaki.motohiro@jp.fujitsu.com); Wed, 17 Mar 2010 12:18:17 +0900 Received: from smail (m4 [127.0.0.1]) by outgoing.m4.gw.fujitsu.co.jp (Postfix) with ESMTP id 4165745DE6F for ; Wed, 17 Mar 2010 12:18:17 +0900 (JST) Received: from s4.gw.fujitsu.co.jp (s4.gw.fujitsu.co.jp [10.0.50.94]) by m4.gw.fujitsu.co.jp (Postfix) with ESMTP id 1CAED45DE4D for ; Wed, 17 Mar 2010 12:18:17 +0900 (JST) Received: from s4.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s4.gw.fujitsu.co.jp (Postfix) with ESMTP id 051B4E18005 for ; Wed, 17 Mar 2010 12:18:17 +0900 (JST) Received: from ml14.s.css.fujitsu.com (ml14.s.css.fujitsu.com [10.249.87.104]) by s4.gw.fujitsu.co.jp (Postfix) with ESMTP id AE95A1DB803E for ; Wed, 17 Mar 2010 12:18:16 +0900 (JST) From: KOSAKI Motohiro Subject: Re: [PATCH 09/11] Add /sys trigger for per-node memory compaction In-Reply-To: <1268412087-13536-10-git-send-email-mel@csn.ul.ie> References: <1268412087-13536-1-git-send-email-mel@csn.ul.ie> <1268412087-13536-10-git-send-email-mel@csn.ul.ie> Message-Id: <20100317121749.4CA3.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Date: Wed, 17 Mar 2010 12:18:16 +0900 (JST) Sender: owner-linux-mm@kvack.org To: Mel Gorman Cc: kosaki.motohiro@jp.fujitsu.com, Andrew Morton , Andrea Arcangeli , Christoph Lameter , Adam Litke , Avi Kivity , David Rientjes , Rik van Riel , linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: > This patch adds a per-node sysfs file called compact. When the file is > written to, each zone in that node is compacted. The intention that this > would be used by something like a job scheduler in a batch system before > a job starts so that the job can allocate the maximum number of > hugepages without significant start-up cost. > > Signed-off-by: Mel Gorman > Acked-by: Rik van Riel Reviewed-by: KOSAKI Motohiro -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org