From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qg0-f45.google.com (mail-qg0-f45.google.com [209.85.192.45]) by kanga.kvack.org (Postfix) with ESMTP id F2FB16B0003 for ; Wed, 6 Jan 2016 10:34:11 -0500 (EST) Received: by mail-qg0-f45.google.com with SMTP id e32so214757618qgf.3 for ; Wed, 06 Jan 2016 07:34:11 -0800 (PST) Received: from mx1.redhat.com (mx1.redhat.com. [209.132.183.28]) by mx.google.com with ESMTPS id x63si11184972qka.106.2016.01.06.07.34.11 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 06 Jan 2016 07:34:11 -0800 (PST) Subject: Re: [PATCH] mm: mempolicy: skip non-migratable VMAs when setting MPOL_MF_LAZY References: <1452089927-22039-1-git-send-email-liangchen.linux@gmail.com> From: Rik van Riel Message-ID: <568D33F0.7080302@redhat.com> Date: Wed, 6 Jan 2016 10:34:08 -0500 MIME-Version: 1.0 In-Reply-To: <1452089927-22039-1-git-send-email-liangchen.linux@gmail.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Liang Chen , linux-mm@kvack.org Cc: mgorman@suse.de, akpm@linux-foundation.org, n-horiguchi@ah.jp.nec.com, linux-kernel@vger.kernel.org, Gavin Guo -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 On 01/06/2016 09:18 AM, Liang Chen wrote: > 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 non-migratable > VMAs. The changelog could use a better description of exactly what the issue is, and why calling change_prot_numa on a non-migratable VMA is causing problems. > Signed-off-by: Liang Chen > Signed-off-by: Gavin Guo For the code itself: Acked-by: Rik van Riel Please resubmit with a better changelog. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBCAAGBQJWjTPwAAoJEM553pKExN6DCncIAKYtabnc7WjsI8/yzc0/qqYR s92KJjztJ2RiaMhioa6xO1aGh9c00oszHvbZfFlYFJVWn/MsGB83eVQ0KymYLOdx VyYP59Oe0oWvZagF4bvj7KEZVF35GFuUGOekLfbYihUw6VTgPE38cwAx9stIBTyf CBm5XT0WdPLWaJrxYl5aJlbdQiJ7BKxQIBx7yyLV8tAgw0KVwEmPpgfftjAI1oIq ItdrGDIqtOvb6vCc/5DJHT7+6b0ObwcpWWm4rE7QAc7OxyUUXbQydt/OKYXMhbUR j6wcfHutHW2dcZko5iln7oN9DvBlYnXVSmSa4WJxgavtbL0abTaJGpJLE61pWQQ= =sCoV -----END PGP SIGNATURE----- -- 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