From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 59ED5C10F14 for ; Fri, 12 Apr 2019 11:28:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 34AA62186A for ; Fri, 12 Apr 2019 11:28:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727104AbfDLL2U (ORCPT ); Fri, 12 Apr 2019 07:28:20 -0400 Received: from outbound-smtp17.blacknight.com ([46.22.139.234]:42963 "EHLO outbound-smtp17.blacknight.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726697AbfDLL2U (ORCPT ); Fri, 12 Apr 2019 07:28:20 -0400 Received: from mail.blacknight.com (pemlinmail01.blacknight.ie [81.17.254.10]) by outbound-smtp17.blacknight.com (Postfix) with ESMTPS id 984751C2F7F 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) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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