Path: csiph.com!eternal-september.org!feeder.eternal-september.org!aioe.org!bofh.it!news.nic.it!robomod From: Andrew Morton Newsgroups: linux.kernel Subject: Re: [PATCH 0/3] mm/cma: manage the memory of the CMA area by using the ZONE_MOVABLE Date: Fri, 25 Aug 2017 23:40:01 +0200 Message-ID: References: X-Original-To: js1304@gmail.com X-Mailer: Sylpheed 3.4.1 (GTK+ 2.24.23; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: robomod@news.nic.it List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Approved: robomod@news.nic.it Lines: 28 Organization: linux.* mail to news gateway X-Original-Cc: Rik van Riel , Johannes Weiner , mgorman@techsingularity.net, Laura Abbott , Minchan Kim , Marek Szyprowski , Michal Nazarewicz , "Aneesh Kumar K . V" , Vlastimil Babka , Russell King , Will Deacon , linux-mm@kvack.org, linux-kernel@vger.kernel.org, kernel-team@lge.com, Joonsoo Kim X-Original-Date: Fri, 25 Aug 2017 14:32:13 -0700 X-Original-Message-ID: <20170825143213.5c7de68783b78fafb461c845@linux-foundation.org> X-Original-References: <1503556593-10720-1-git-send-email-iamjoonsoo.kim@lge.com> X-Original-Sender: linux-kernel-owner@vger.kernel.org Xref: csiph.com linux.kernel:1720425 On Thu, 24 Aug 2017 15:36:30 +0900 js1304@gmail.com wrote: > From: Joonsoo Kim > > This patchset is the follow-up of the discussion about the > "Introduce ZONE_CMA (v7)" [1]. Please reference it if more information > is needed. > > In this patchset, the memory of the CMA area is managed by using > the ZONE_MOVABLE. Since there is another type of the memory in this zone, > we need to maintain a migratetype for the CMA memory to account > the number of the CMA memory. So, unlike previous patchset, there is > less deletion of the code. > > Otherwise, there is no big change. > > Motivation of this patchset is described in the commit description of > the patch "mm/cma: manage the memory of the CMA area by using > the ZONE_MOVABLE". Please refer it for more information. > > This patchset is based on linux-next-20170822 plus > "mm/page_alloc: don't reserve ZONE_HIGHMEM for ZONE_MOVABLE". > But "mm/page_alloc: don't reserve ZONE_HIGHMEM for ZONE_MOVABLE" did not do very well at review - both Michal and Vlastimil are looking for changes. So we're not ready for a patch series which depends upon that one?