From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f199.google.com (mail-pf0-f199.google.com [209.85.192.199]) by kanga.kvack.org (Postfix) with ESMTP id 5593F6B0271 for ; Thu, 10 Nov 2016 03:32:07 -0500 (EST) Received: by mail-pf0-f199.google.com with SMTP id c4so2950705pfb.7 for ; Thu, 10 Nov 2016 00:32:07 -0800 (PST) Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com. [148.163.158.5]) by mx.google.com with ESMTPS id 2si3633141pft.109.2016.11.10.00.32.06 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 10 Nov 2016 00:32:06 -0800 (PST) Received: from pps.filterd (m0098421.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id uAA8Tfwb121032 for ; Thu, 10 Nov 2016 03:32:05 -0500 Received: from e23smtp06.au.ibm.com (e23smtp06.au.ibm.com [202.81.31.148]) by mx0a-001b2d01.pphosted.com with ESMTP id 26mk9ue06h-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Thu, 10 Nov 2016 03:32:05 -0500 Received: from localhost by e23smtp06.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 10 Nov 2016 18:32:02 +1000 Received: from d23relay09.au.ibm.com (d23relay09.au.ibm.com [9.185.63.181]) by d23dlp03.au.ibm.com (Postfix) with ESMTP id 1E6923578056 for ; Thu, 10 Nov 2016 19:32:01 +1100 (EST) Received: from d23av06.au.ibm.com (d23av06.au.ibm.com [9.190.235.151]) by d23relay09.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id uAA8W1iD58917058 for ; Thu, 10 Nov 2016 19:32:01 +1100 Received: from d23av06.au.ibm.com (localhost [127.0.0.1]) by d23av06.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id uAA8W0Bh003396 for ; Thu, 10 Nov 2016 19:32:00 +1100 From: Anshuman Khandual Subject: Re: [PATCH v2 03/12] mm: thp: introduce separate TTU flag for thp freezing References: <1478561517-4317-1-git-send-email-n-horiguchi@ah.jp.nec.com> <1478561517-4317-4-git-send-email-n-horiguchi@ah.jp.nec.com> Date: Thu, 10 Nov 2016 14:01:56 +0530 MIME-Version: 1.0 In-Reply-To: <1478561517-4317-4-git-send-email-n-horiguchi@ah.jp.nec.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Message-Id: <5824307C.7070105@linux.vnet.ibm.com> Sender: owner-linux-mm@kvack.org List-ID: To: Naoya Horiguchi , linux-mm@kvack.org Cc: "Kirill A. Shutemov" , Hugh Dickins , Andrew Morton , Dave Hansen , Andrea Arcangeli , Mel Gorman , Michal Hocko , Vlastimil Babka , Pavel Emelyanov , Zi Yan , Balbir Singh , linux-kernel@vger.kernel.org, Naoya Horiguchi On 11/08/2016 05:01 AM, Naoya Horiguchi wrote: > TTU_MIGRATION is used to convert pte into migration entry until thp split > completes. This behavior conflicts with thp migration added later patches, Hmm, could you please explain why it conflicts with the PMD based migration without split ? Why TTU_MIGRATION cannot be used to freeze/hold on the PMD while it's being migrated ? -- 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