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[195.135.221.2]) by mx.google.com with ESMTP id e3si1462910edj.200.2019.01.30.13.52.05 for ; Wed, 30 Jan 2019 13:52:05 -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 59CB540DF; Wed, 30 Jan 2019 22:52:04 +0100 (CET) Date: Wed, 30 Jan 2019 22:52:04 +0100 From: Oscar Salvador To: linux-mm@kvack.org Cc: mhocko@suse.com, dan.j.williams@intel.com, Pavel.Tatashin@microsoft.com, david@redhat.com, linux-kernel@vger.kernel.org, dave.hansen@intel.com Subject: Re: [RFC PATCH v2 0/4] mm, memory_hotplug: allocate memmap from hotadded memory Message-ID: <20190130215159.culyc2wcgocp5l2p@d104.suse.de> References: <20190122103708.11043-1-osalvador@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190122103708.11043-1-osalvador@suse.de> 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, Jan 22, 2019 at 11:37:04AM +0100, Oscar Salvador wrote: > I yet have to check a couple of things like creating an accounting item > like VMEMMAP_PAGES to show in /proc/meminfo to ease to spot the memory that > went in there, testing Hyper-V/Xen to see how they react to the fact that > we are using the beginning of the memory-range for our own purposes, and to > check the thing about gigantic pages + hotplug. > I also have to check that there is no compilation/runtime errors when > CONFIG_SPARSEMEM but !CONFIG_SPARSEMEM_VMEMMAP. > But before that, I would like to get people's feedback about the overall > design, and ideas/suggestions. just a friendly reminder if some feedback is possible :-) -- Oscar Salvador SUSE L3