From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx162.postini.com [74.125.245.162]) by kanga.kvack.org (Postfix) with SMTP id BD6156B006C for ; Mon, 19 Nov 2012 19:41:43 -0500 (EST) Message-ID: <50AAD1AC.7090209@redhat.com> Date: Mon, 19 Nov 2012 19:41:16 -0500 From: Rik van Riel MIME-Version: 1.0 Subject: Re: [PATCH 00/27] Latest numa/core release, v16 References: <1353291284-2998-1-git-send-email-mingo@kernel.org> <20121119162909.GL8218@suse.de> <20121119191339.GA11701@gmail.com> <20121119211804.GM8218@suse.de> <20121119223604.GA13470@gmail.com> <20121119230034.GO8218@suse.de> In-Reply-To: <20121119230034.GO8218@suse.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Mel Gorman Cc: Ingo Molnar , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Peter Zijlstra , Paul Turner , Lee Schermerhorn , Christoph Lameter , Andrew Morton , Andrea Arcangeli , Linus Torvalds , Thomas Gleixner , Johannes Weiner , Hugh Dickins On 11/19/2012 06:00 PM, Mel Gorman wrote: > On Mon, Nov 19, 2012 at 11:36:04PM +0100, Ingo Molnar wrote: >> >> * Mel Gorman wrote: >> >>> Ok. >>> >>> In response to one of your later questions, I found that I had >>> in fact disabled THP without properly reporting it. [...] >> >> Hugepages is a must for most forms of NUMA/HPC. > > Requiring huge pages to avoid a regression is a mistake. Not all architectures support THP. Not all workloads will end up using THP effectively. Mel, would you have numa/core profiles from !THP runs, so we can find out the cause of the regression? -- All rights reversed -- 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