Received: by 2002:a05:6a10:eb17:0:0:0:0 with SMTP id hx23csp3535445pxb; Tue, 7 Sep 2021 01:36:21 -0700 (PDT) X-Google-Smtp-Source: ABdhPJydbY38ECHWOdNb4+cy6Ho2TQI0aRmtvZYM3G08592inD1Xd/AAir0g3amBp8B50l6XHpej X-Received: by 2002:a02:6995:: with SMTP id e143mr14527181jac.3.1631003781306; Tue, 07 Sep 2021 01:36:21 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1631003781; cv=none; d=google.com; s=arc-20160816; b=X7xRA7swvSeh9MOAFNcVqERjFv7h2E7KxcnvnchG47CCCZzRwxYqHKOm2OkhzitCe7 Qg3DBNSHpq+e09QEG1lkC9/Pju600z5rHwJ+KqHPA+T7jIydiCkO1jIwgfIL7KfdQG3s 5mX+/fysVsmhkgmnv8ebp6GE5LoH6P1J1sL8GvM3ueggT/kFAMiEBKewuLmQ9icl7e1t ZvN/TU5Mdf8Me+1Y0KNsJNrefl5b5SzRIj8130JNW4ASPlpUQ81k6ossHo9dX5AEdhmq dAltE0ckS0DPVROcFSO3g8ODAiQgvrHzys/tkEGeHbccAvSb09B2Gybxcu2VaiIBiWFw +/Qw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=wmhUAdBdTzHZqI9U9j1dUTi8JTRactdD8d5i9IYx95Q=; b=dMIDNvXY9xCOeucgZ9oG6X3TiBlzF5l3vTA/1C/BnxdsZAoQJ2E4hi2+RyjpuKoObX 4i99QWUIj5uT55GDhA4555J6jZDWb1AIA0EdRPpnsjeKHsjpAXlrXDw7F7MErr5dZ3yq iyTkPDb9Bw3dvQWH1zenu2SEKOODR2aNgzzWhzE5GqCO5bEvHrj+1DaI2CwiT5jiYa3H onWBV/ZbCUHWWSwBMnzI8ZT30JpQgPOnifm9RyDkYQ7e+yY9Zy4Oi3C+v5UxAIljYRX4 GE+Fh8NlarJEsWFXyvwU1MuvLqCpAqyeSxYK07SzdSb0pClirXK+oRnOx5KZXDvKlacF g65g== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id t71si9737978jaa.64.2021.09.07.01.36.09; Tue, 07 Sep 2021 01:36:21 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242415AbhIGIVX (ORCPT + 99 others); Tue, 7 Sep 2021 04:21:23 -0400 Received: from outbound-smtp62.blacknight.com ([46.22.136.251]:37865 "EHLO outbound-smtp62.blacknight.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230286AbhIGIVT (ORCPT ); Tue, 7 Sep 2021 04:21:19 -0400 Received: from mail.blacknight.com (pemlinmail04.blacknight.ie [81.17.254.17]) by outbound-smtp62.blacknight.com (Postfix) with ESMTPS id 9A655FAF3D 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) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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