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[193.40.6.72]) by mx.google.com with ESMTPS id m12si7958573lfk.107.2019.04.23.09.50.02 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 23 Apr 2019 09:50:02 -0700 (PDT) Received-SPF: neutral (google.com: 193.40.6.72 is neither permitted nor denied by best guess record for domain of mroos@linux.ee) client-ip=193.40.6.72; Authentication-Results: mx.google.com; spf=neutral (google.com: 193.40.6.72 is neither permitted nor denied by best guess record for domain of mroos@linux.ee) smtp.mailfrom=mroos@linux.ee Subject: Re: DISCONTIGMEM is deprecated To: Christopher Lameter Cc: Mel Gorman , Andrew Morton , Mikulas Patocka , James Bottomley , linux-parisc@vger.kernel.org, linux-mm@kvack.org, Vlastimil Babka , LKML , linux-arch@vger.kernel.org References: <20190419094335.GJ18914@techsingularity.net> <20190419140521.GI7751@bombadil.infradead.org> <0100016a461809ed-be5bd8fc-9925-424d-9624-4a325a7a8860-000000@email.amazonses.com> From: Meelis Roos Message-ID: <25cabb7c-9602-2e09-2fe0-cad3e54595fa@linux.ee> Date: Tue, 23 Apr 2019 19:49:57 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <0100016a461809ed-be5bd8fc-9925-424d-9624-4a325a7a8860-000000@email.amazonses.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: et-EE Content-Transfer-Encoding: 7bit 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: >> ia64 (looks complicated ...) > > Well as far as I can tell it was not even used 12 or so years ago on > Itanium when I worked on that stuff. My notes tell that on UP ia64 (RX2620), !NUMA was broken with both SPARSEMEM and DISCONTIGMEM. NUMA+SPARSEMEM or !NUMA worked. Even NUMA+DISCONTIGMEM worked, that was my config on 2-CPU RX2660. -- Meelis Roos