Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754326AbdCPQYP (ORCPT ); Thu, 16 Mar 2017 12:24:15 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:35171 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751663AbdCPQYM (ORCPT ); Thu, 16 Mar 2017 12:24:12 -0400 Date: Thu, 16 Mar 2017 11:24:02 -0500 From: Reza Arbab To: =?iso-8859-1?B?Suly9G1l?= Glisse Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, John Hubbard , Naoya Horiguchi , David Nellans , Evgeny Baskakov , Mark Hairgrove , Sherry Cheung , Subhash Gutti Subject: Re: [HMM 07/16] mm/migrate: new memory migration helper for use with device memory v4 References: <1489680335-6594-1-git-send-email-jglisse@redhat.com> <1489680335-6594-8-git-send-email-jglisse@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1489680335-6594-8-git-send-email-jglisse@redhat.com> Organization: IBM Linux Technology Center User-Agent: NeoMutt/20170306 (1.8.0) X-TM-AS-GCONF: 00 x-cbid: 17031616-0044-0000-0000-000002DA18FC X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00006793; HX=3.00000240; KW=3.00000007; PH=3.00000004; SC=3.00000206; SDB=6.00834712; UDB=6.00409950; IPR=6.00612367; BA=6.00005215; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009; ZB=6.00000000; ZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00014676; XFM=3.00000013; UTC=2017-03-16 16:24:07 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17031616-0045-0000-0000-000007081852 Message-Id: <20170316162402.rpkulrjcjoxzzlw4@arbab-laptop> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-03-16_12:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1702020001 definitions=main-1703160129 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 566 Lines: 13 On Thu, Mar 16, 2017 at 12:05:26PM -0400, J?r?me Glisse wrote: >This patch add a new memory migration helpers, which migrate memory >backing a range of virtual address of a process to different memory >(which can be allocated through special allocator). It differs from >numa migration by working on a range of virtual address and thus by >doing migration in chunk that can be large enough to use DMA engine or >special copy offloading engine. Reviewed-by: Reza Arbab Tested-by: Reza Arbab -- Reza Arbab