From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f54.google.com (mail-pa0-f54.google.com [209.85.220.54]) by kanga.kvack.org (Postfix) with ESMTP id 0316F6B0005 for ; Wed, 20 Jan 2016 18:32:38 -0500 (EST) Received: by mail-pa0-f54.google.com with SMTP id cy9so12296798pac.0 for ; Wed, 20 Jan 2016 15:32:37 -0800 (PST) Received: from mail-pa0-x22b.google.com (mail-pa0-x22b.google.com. [2607:f8b0:400e:c03::22b]) by mx.google.com with ESMTPS id hb8si16051734pac.55.2016.01.20.15.32.37 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 20 Jan 2016 15:32:37 -0800 (PST) Received: by mail-pa0-x22b.google.com with SMTP id uo6so12551991pac.1 for ; Wed, 20 Jan 2016 15:32:37 -0800 (PST) Date: Wed, 20 Jan 2016 15:32:35 -0800 (PST) From: David Rientjes 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> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: 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 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 -- 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