Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752458AbdDKCv6 (ORCPT ); Mon, 10 Apr 2017 22:51:58 -0400 Received: from mail-pg0-f67.google.com ([74.125.83.67]:35655 "EHLO mail-pg0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751564AbdDKCv5 (ORCPT ); Mon, 10 Apr 2017 22:51:57 -0400 Message-ID: <1491879104.1680.0.camel@gmail.com> Subject: Re: [PATCH -v2 0/9] mm: make movable onlining suck less From: Balbir Singh To: Jerome Glisse , Michal Hocko Cc: linux-mm@kvack.org, Andrew Morton , Mel Gorman , Vlastimil Babka , Andrea Arcangeli , Reza Arbab , Yasuaki Ishimatsu , qiuxishi@huawei.com, Kani Toshimitsu , slaoub@gmail.com, Joonsoo Kim , Andi Kleen , David Rientjes , Daniel Kiper , Igor Mammedov , Vitaly Kuznetsov , LKML , Dan Williams , Heiko Carstens , Lai Jiangshan , Martin Schwidefsky , Michal Hocko , Tobias Regnery Date: Tue, 11 Apr 2017 12:51:44 +1000 In-Reply-To: <20170410163553.GB31356@redhat.com> References: <20170410110351.12215-1-mhocko@kernel.org> <20170410163553.GB31356@redhat.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.22.6 (3.22.6-2.fc25) Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1799 Lines: 39 On Mon, 2017-04-10 at 12:35 -0400, Jerome Glisse wrote: > On Mon, Apr 10, 2017 at 01:03:42PM +0200, Michal Hocko wrote: > > Hi, > > The last version of this series has been posted here [1]. It has seen > > some more serious testing (thanks to Reza Arbab) and fixes for the found > > issues. I have also decided to drop patch 1 [2] because it turned out to > > be more complicated than I initially thought [3]. Few more patches were > > added to deal with expectation on zone/node initialization. > > > > I have rebased on top of the current mmotm-2017-04-07-15-53. It > > conflicts with HMM because it touches memory hotplug as > > well. We have discussed [4] with Jérôme and he agreed to > > rebase on top of this rework [5] so I have reverted his series > > before applyig mine. I will help him to resolve the resulting > > conflicts. You can find the whole series including the HMM revers in > > git://git.kernel.org/pub/scm/linux/kernel/git/mhocko/mm.git branch > > attempts/rewrite-mem_hotplug > > > > So updated HMM patchset : > https://cgit.freedesktop.org/~glisse/linux/log/?h=hmm-v20 > > I am not posting yet as it seems there is couple thing you need to > fix in your patchset first. However if you could review : > > https://cgit.freedesktop.org/~glisse/linux/commit/?h=hmm-v20&id=84fc68534e781cf6125d02b3bfdba4a51e82d9c9 > > As it was your idea, i just want to make sure i didn't denatured > it :) > > Also as side note, v20 fix build issue by restricting HMM to x86-64 > which is safer than pretending this can be use on any random arch > as build failures i am getting clearly shows that thing i assumed to > be true on all arch aren't. In that case could you please document what an arch needs to do to enable HMM? What are the dependencies and requirements? Balbir Singh.