From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756654Ab3JGTLI (ORCPT ); Mon, 7 Oct 2013 15:11:08 -0400 Received: from mx1.redhat.com ([209.132.183.28]:16566 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751475Ab3JGTLF (ORCPT ); Mon, 7 Oct 2013 15:11:05 -0400 Message-ID: <5253073C.7010205@redhat.com> Date: Mon, 07 Oct 2013 15:10:52 -0400 From: Rik van Riel User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130625 Thunderbird/17.0.7 MIME-Version: 1.0 To: Mel Gorman CC: Peter Zijlstra , Srikar Dronamraju , Ingo Molnar , Andrea Arcangeli , Johannes Weiner , Linux-MM , LKML Subject: Re: [PATCH 46/63] mm: numa: Do not group on RO pages References: <1381141781-10992-1-git-send-email-mgorman@suse.de> <1381141781-10992-47-git-send-email-mgorman@suse.de> In-Reply-To: <1381141781-10992-47-git-send-email-mgorman@suse.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/07/2013 06:29 AM, Mel Gorman wrote: > From: Peter Zijlstra > > And here's a little something to make sure not the whole world ends up > in a single group. > > As while we don't migrate shared executable pages, we do scan/fault on > them. And since everybody links to libc, everybody ends up in the same > group. > > [riel@redhat.com: mapcount 1] > Suggested-by: Rik van Riel > Signed-off-by: Peter Zijlstra > Signed-off-by: Mel Gorman Reviewed-by: Rik van Riel -- All rights reversed