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[81.17.249.41]) by mx.google.com with ESMTPS id z13si3841235edh.125.2019.04.12.04.28.18 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 12 Apr 2019 04:28:19 -0700 (PDT) Received-SPF: pass (google.com: domain of mgorman@techsingularity.net designates 81.17.249.41 as permitted sender) client-ip=81.17.249.41; Authentication-Results: mx.google.com; spf=pass (google.com: domain of mgorman@techsingularity.net designates 81.17.249.41 as permitted sender) smtp.mailfrom=mgorman@techsingularity.net Received: from mail.blacknight.com (pemlinmail01.blacknight.ie [81.17.254.10]) by outbound-smtp21.blacknight.com (Postfix) with ESMTPS id 8D840B8A7A for ; Fri, 12 Apr 2019 12:28:18 +0100 (IST) Received: (qmail 4311 invoked from network); 12 Apr 2019 11:28:18 -0000 Received: from unknown (HELO techsingularity.net) (mgorman@techsingularity.net@[37.228.225.79]) by 81.17.254.9 with ESMTPSA (AES256-SHA encrypted, authenticated); 12 Apr 2019 11:28:18 -0000 Date: Fri, 12 Apr 2019 12:28:16 +0100 From: Mel Gorman To: David Rientjes Cc: Vlastimil Babka , "Tobin C. Harding" , Andrew Morton , Christoph Lameter , Pekka Enberg , Joonsoo Kim , Tejun Heo , Qian Cai , Linus Torvalds , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/1] mm: Remove the SLAB allocator Message-ID: <20190412112816.GD18914@techsingularity.net> References: <20190410024714.26607-1-tobin@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) 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 Wed, Apr 10, 2019 at 02:53:34PM -0700, David Rientjes wrote: > > FWIW, our enterprise kernel use it (latest is 4.12 based), and openSUSE > > kernels as well (with openSUSE Tumbleweed that includes latest > > kernel.org stables). AFAIK we don't enable SLAB_DEBUG even in general > > debug kernel flavours as it's just too slow. > > > > IIRC last time Mel evaluated switching to SLUB, it wasn't a clear > > winner, but I'll just CC him for details :) > > > > We also use CONFIG_SLAB and disable CONFIG_SLAB_DEBUG for the same reason. Would it be possible to re-evaluate using mainline kernel 5.0? -- Mel Gorman SUSE Labs