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[2607:7c80:54:e::133]) by mx.google.com with ESMTPS id c12si14231305pgj.461.2019.04.23.00.14.06 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 23 Apr 2019 00:14:06 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of batv+307e856acde472aa9de6+5721+infradead.org+hch@bombadil.srs.infradead.org designates 2607:7c80:54:e::133 as permitted sender) client-ip=2607:7c80:54:e::133; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20170209 header.b=H2HIjKph; spf=pass (google.com: best guess record for domain of batv+307e856acde472aa9de6+5721+infradead.org+hch@bombadil.srs.infradead.org designates 2607:7c80:54:e::133 as permitted sender) smtp.mailfrom=BATV+307e856acde472aa9de6+5721+infradead.org+hch@bombadil.srs.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=SDlbfGGT6h+AH6jrlBAq/GN8velgMypb49RBj12dJJc=; b=H2HIjKphtjzOGFQrLmcu0oOFr 5r3bAwWLkfQXSq9ayF7kYfnbhUjaU+tcCP3tyTatUyrT8kjp/mZymokWA2BvbP6qQr3yKHCAQRtUk /rdcDAeYXJDTVFa2DQ/xmqKnEtwTMu84elAhhsiAvLjU/eBU1t8FRYkPWntVgG8l+g30dwUwM/5/Z hlGqromgmM12sN2kE/0UwWS7366vJVO7iwyegEIytfYJEpPnGAAAwBc+VfAch2uGo4VcQ9qlP5wZU cFF1btw7ENuY8StXWiv/d74Z1+44bgUKCwY2vlR27IP+fhLq0QnZWB5h0llfduvDthG5CrdmkV0J7 6BHcgY35Q==; Received: from hch by bombadil.infradead.org with local (Exim 4.90_1 #2 (Red Hat Linux)) id 1hIpco-0006EN-T8; Tue, 23 Apr 2019 07:13:54 +0000 Date: Tue, 23 Apr 2019 00:13:54 -0700 From: Christoph Hellwig To: Mel Gorman Cc: Matthew Wilcox , Mike Rapoport , Andrew Morton , Mikulas Patocka , James Bottomley , linux-parisc@vger.kernel.org, linux-mm@kvack.org, Vlastimil Babka , LKML , linux-arch@vger.kernel.org Subject: Re: DISCONTIGMEM is deprecated Message-ID: <20190423071354.GB12114@infradead.org> References: <20190419094335.GJ18914@techsingularity.net> <20190419140521.GI7751@bombadil.infradead.org> <20190421063859.GA19926@rapoport-lnx> <20190421132606.GJ7751@bombadil.infradead.org> <20190421211604.GN18914@techsingularity.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190421211604.GN18914@techsingularity.net> User-Agent: Mutt/1.9.2 (2017-12-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html 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 Sun, Apr 21, 2019 at 10:16:04PM +0100, Mel Gorman wrote: > 32-bit NUMA systems should be non-existent in practice. The last NUMA > system I'm aware of that was both NUMA and 32-bit only died somewhere > between 2004 and 2007. If someone is running a 64-bit capable system in > 32-bit mode with NUMA, they really are just punishing themselves for fun. Can we mark it as BROKEN to see if someone shouts and then remove it a year or two down the road? Or just kill it off now..