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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no 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 C1514C433EF for ; Tue, 7 Sep 2021 08:20:16 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 4DF93610E9 for ; Tue, 7 Sep 2021 08:20:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 4DF93610E9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=techsingularity.net Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id AF730900002; Tue, 7 Sep 2021 04:20:15 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id AA6196B0072; Tue, 7 Sep 2021 04:20:15 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 994C9900002; Tue, 7 Sep 2021 04:20:15 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0253.hostedemail.com [216.40.44.253]) by kanga.kvack.org (Postfix) with ESMTP id 8D2B86B0071 for ; Tue, 7 Sep 2021 04:20:15 -0400 (EDT) Received: from smtpin10.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 4427C1802EFE8 for ; Tue, 7 Sep 2021 08:20:15 +0000 (UTC) X-FDA: 78560079990.10.A2458D8 Received: from outbound-smtp49.blacknight.com (outbound-smtp49.blacknight.com [46.22.136.233]) by imf16.hostedemail.com (Postfix) with ESMTP id 50A1CF000098 for ; Tue, 7 Sep 2021 08:20:14 +0000 (UTC) Received: from mail.blacknight.com (pemlinmail04.blacknight.ie [81.17.254.17]) by outbound-smtp49.blacknight.com (Postfix) with ESMTPS id 92891FAF3A for ; Tue, 7 Sep 2021 09:20:12 +0100 (IST) Received: (qmail 22356 invoked from network); 7 Sep 2021 08:20:12 -0000 Received: from unknown (HELO techsingularity.net) (mgorman@techsingularity.net@[84.203.17.29]) by 81.17.254.9 with ESMTPSA (AES256-SHA encrypted, authenticated); 7 Sep 2021 08:20:12 -0000 Date: Tue, 7 Sep 2021 09:20:10 +0100 From: Mel Gorman To: Vlastimil Babka Cc: linux-mm@kvack.org, Christoph Lameter , David Rientjes , Pekka Enberg , Joonsoo Kim , Linus Torvalds , Stephen Rothwell , Andrew Morton , linux-kernel@vger.kernel.org, Mike Galbraith , Sebastian Andrzej Siewior , Thomas Gleixner Subject: Re: [PATCH v6 00/33] SLUB: reduce irq disabled scope and make it RT compatible Message-ID: <20210907082010.GB3959@techsingularity.net> References: <20210904105003.11688-1-vbabka@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <20210904105003.11688-1-vbabka@suse.cz> User-Agent: Mutt/1.10.1 (2018-07-13) Authentication-Results: imf16.hostedemail.com; dkim=none; spf=pass (imf16.hostedemail.com: domain of mgorman@techsingularity.net designates 46.22.136.233 as permitted sender) smtp.mailfrom=mgorman@techsingularity.net; dmarc=none X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 50A1CF000098 X-Stat-Signature: ow1s3nhriswfbnh17uu7wue8oc4jxxau X-HE-Tag: 1631002814-635448 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 Sat, Sep 04, 2021 at 12:49:30PM +0200, Vlastimil Babka wrote: > The RFC/v1 version also got basic performance screening by Mel that didn't show > major regressions. Mike's testing with hackbench of v2 on !RT reported > negligible differences [6]: > FWIW, this version didn't show any major differences in terms of performance and it didn't functionally fail either. -- Mel Gorman SUSE Labs