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[195.135.221.2]) by mx.google.com with ESMTP id f8si319416edb.188.2019.02.12.06.50.37 for ; Tue, 12 Feb 2019 06:50:37 -0800 (PST) Received-SPF: pass (google.com: domain of osalvador@suse.de designates 195.135.221.2 as permitted sender) client-ip=195.135.221.2; Authentication-Results: mx.google.com; spf=pass (google.com: domain of osalvador@suse.de designates 195.135.221.2 as permitted sender) smtp.mailfrom=osalvador@suse.de Received: by suse.de (Postfix, from userid 1000) id 91D474244; Tue, 12 Feb 2019 15:50:36 +0100 (CET) Date: Tue, 12 Feb 2019 15:50:36 +0100 From: Oscar Salvador To: Michal Hocko Cc: Shameerali Kolothum Thodi , Jonathan Cameron , "linux-mm@kvack.org" , "dan.j.williams@intel.com" , "Pavel.Tatashin@microsoft.com" , "david@redhat.com" , "linux-kernel@vger.kernel.org" , "dave.hansen@intel.com" , Linuxarm , Robin Murphy Subject: Re: [RFC PATCH v2 0/4] mm, memory_hotplug: allocate memmap from hotadded memory Message-ID: <20190212145021.2bf2gmgprcvzkuq4@d104.suse.de> References: <20190122103708.11043-1-osalvador@suse.de> <20190212124707.000028ea@huawei.com> <5FC3163CFD30C246ABAA99954A238FA8392B5DB6@lhreml524-mbs.china.huawei.com> <20190212135658.fd3rdil634ztpekj@d104.suse.de> <20190212144242.GZ15609@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190212144242.GZ15609@dhcp22.suse.cz> User-Agent: NeoMutt/20170421 (1.8.2) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, Feb 12, 2019 at 03:42:42PM +0100, Michal Hocko wrote: > Please make sure to test on a larger machine which has multi section > memblocks. This is where I was hitting on bugs hard. I tested the patchset with large memblocks (2GB) on x86_64, and worked fine as well. On powerpc I was only able to test it on normal memblocks, but I will check if I can boost the memory there to get large memblocks. And about arm64, I will talk to Jonathan off-list to see if we can do the same. Btw, in the meantime, we could get some parts reviewed perhaps. -- Oscar Salvador SUSE L3