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[2620:113:80c0:5::2222]) by mx.google.com with ESMTP id f2si1983845edb.413.2019.03.25.01.14.49 for ; Mon, 25 Mar 2019 01:14:49 -0700 (PDT) Received-SPF: softfail (google.com: domain of transitioning osalvador@suse.de does not designate 2620:113:80c0:5::2222 as permitted sender) client-ip=2620:113:80c0:5::2222; Authentication-Results: mx.google.com; spf=softfail (google.com: domain of transitioning osalvador@suse.de does not designate 2620:113:80c0:5::2222 as permitted sender) smtp.mailfrom=osalvador@suse.de Received: by suse.de (Postfix, from userid 1000) id 0528446C8; Mon, 25 Mar 2019 09:14:48 +0100 (CET) Date: Mon, 25 Mar 2019 09:14:48 +0100 From: Oscar Salvador To: Michal Hocko Cc: Anshuman Khandual , akpm@linux-foundation.org, dan.j.williams@intel.com, pavel.tatashin@microsoft.com, jglisse@redhat.com, Jonathan.Cameron@huawei.com, rafael@kernel.org, david@redhat.com, linux-mm@kvack.org, Oscar Salvador Subject: Re: [PATCH v2 4/5] mm, memory-hotplug: Rework unregister_mem_sect_under_nodes Message-ID: <20190325081445.64qmxwzpuqafhfsd@d104.suse.de> References: <20181127162005.15833-1-osalvador@suse.de> <20181127162005.15833-5-osalvador@suse.de> <45d6b6ed-ae84-f2d5-0d57-dc2e28938ce0@arm.com> <20190325074027.vhybenecc6hk7kxs@d104.suse.de> <20190325080453.GB9924@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190325080453.GB9924@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 Mon, Mar 25, 2019 at 09:04:53AM +0100, Michal Hocko wrote: > No, unfortunately two nodes might share the same section indeed. Have a > look at 4aa9fc2a435abe95a1e8d7f8c7b3d6356514b37a Heh, I see, I guess one cannot assume anything when it comes to HW. Well, at least we know that for real now. I always thought that this was merely a kind of hardcoded assumption that we just made in an attempt to avoid breaking things. -- Oscar Salvador SUSE L3