From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 16 Jan 2007 20:20:56 -0800 From: Paul Jackson Subject: Re: [RFC 5/8] Make writeout during reclaim cpuset aware Message-Id: <20070116202056.075c4c03.pj@sgi.com> In-Reply-To: <200701170907.14670.ak@suse.de> References: <20070116054743.15358.77287.sendpatchset@schroedinger.engr.sgi.com> <20070116054809.15358.22246.sendpatchset@schroedinger.engr.sgi.com> <200701170907.14670.ak@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Andi Kleen Cc: clameter@sgi.com, akpm@osdl.org, menage@google.com, linux-kernel@vger.kernel.org, nickpiggin@yahoo.com.au, linux-mm@kvack.org, dgc@sgi.com List-ID: Andi wrote: > Is there a reason this can't be just done by node, ignoring the cpusets? This suggestion doesn't make a whole lot of sense to me. We're looking to see if a task has dirtied most of the pages in the nodes it is allowed to use. If it has, then we want to start pushing pages to the disk harder, and slowing down the tasks writes. What would it mean to do this per-node? And why would that be better? -- I won't rest till it's the best ... Programmer, Linux Scalability Paul Jackson 1.925.600.0401 -- 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