From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754058AbcATXcj (ORCPT ); Wed, 20 Jan 2016 18:32:39 -0500 Received: from mail-pa0-f46.google.com ([209.85.220.46]:33083 "EHLO mail-pa0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752606AbcATXch (ORCPT ); Wed, 20 Jan 2016 18:32:37 -0500 Date: Wed, 20 Jan 2016 15:32:35 -0800 (PST) From: David Rientjes X-X-Sender: rientjes@chino.kir.corp.google.com To: Liang Chen cc: linux-mm@kvack.org, n-horiguchi@ah.jp.nec.com, riel@redhat.com, mgorman@suse.de, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, Gavin Guo Subject: Re: [PATCH v2] mm:mempolicy: skip VM_HUGETLB and VM_MIXEDMAP VMA for lazy mbind In-Reply-To: <1453298848-30055-1-git-send-email-liangchen.linux@gmail.com> Message-ID: References: <1453298848-30055-1-git-send-email-liangchen.linux@gmail.com> User-Agent: Alpine 2.10 (DEB 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 20 Jan 2016, Liang Chen wrote: > VM_HUGETLB and VM_MIXEDMAP vma needs to be excluded to avoid compound > pages being marked for migration and unexpected COWs when handling > hugetlb fault. > > Thanks to Naoya Horiguchi for reminding me on these checks. > > Signed-off-by: Liang Chen > Signed-off-by: Gavin Guo > Suggested-by: Naoya Horiguchi Acked-by: David Rientjes