From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail191.messagelabs.com (mail191.messagelabs.com [216.82.242.19]) by kanga.kvack.org (Postfix) with ESMTP id BFBBC6B008A for ; Fri, 19 Feb 2010 10:28:54 -0500 (EST) Date: Fri, 19 Feb 2010 15:28:30 +0000 From: Mel Gorman Subject: Re: [PATCH 10/12] Add /sys trigger for per-node memory compaction Message-ID: <20100219152830.GB1445@csn.ul.ie> References: <1266516162-14154-1-git-send-email-mel@csn.ul.ie> <1266516162-14154-11-git-send-email-mel@csn.ul.ie> <20100219145358.GB24790@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <20100219145358.GB24790@kroah.com> Sender: owner-linux-mm@kvack.org To: Greg KH Cc: Andrea Arcangeli , Christoph Lameter , Adam Litke , Avi Kivity , David Rientjes , KOSAKI Motohiro , Rik van Riel , linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: On Fri, Feb 19, 2010 at 06:53:59AM -0800, Greg KH wrote: > On Thu, Feb 18, 2010 at 06:02:40PM +0000, Mel Gorman wrote: > > 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. > > As you are adding sysfs files, can you please also add documentation for > the file in Documentation/ABI/ ? > I looked at this before and hit a wall and then forgot about it. I couldn't find *where* I should document it at the time. There isn't a sysfs-devices-node file to add to and much (all?) of what is in that branch appears undocumented. -- Mel Gorman Part-time Phd Student Linux Technology Center University of Limerick IBM Dublin Software Lab -- 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