From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754682AbaJBPx4 (ORCPT ); Thu, 2 Oct 2014 11:53:56 -0400 Received: from mx1.redhat.com ([209.132.183.28]:4143 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754536AbaJBPxy (ORCPT ); Thu, 2 Oct 2014 11:53:54 -0400 Message-ID: <542D7479.7000504@redhat.com> Date: Thu, 02 Oct 2014 11:51:21 -0400 From: Rik van Riel User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: Mel Gorman , Dave Jones CC: Linus Torvalds , Hugh Dickins , Al Viro , Ingo Molnar , Peter Zijlstra , Aneesh Kumar , Michel Lespinasse , Kirill A Shutemov , Linux Kernel Subject: Re: [PATCH 3/4] mm: mempolicy: Skip inaccessible VMAs when setting MPOL_MF_LAZY References: <1412256558-9995-1-git-send-email-mgorman@suse.de> <1412256558-9995-4-git-send-email-mgorman@suse.de> In-Reply-To: <1412256558-9995-4-git-send-email-mgorman@suse.de> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/02/2014 09:29 AM, Mel Gorman wrote: > PROT_NUMA VMAs are skipped to avoid problems distinguishing between > present, prot_none and special entries. MPOL_MF_LAZY is not visible from > userspace since commit a720094ded8c ("mm: mempolicy: Hide MPOL_NOOP and > MPOL_MF_LAZY from userspace for now") but it should still skip VMAs the > same way task_numa_work does. > > Signed-off-by: Mel Gorman Acked-by: Rik van Riel