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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 4604EC4338F for ; Mon, 23 Aug 2021 20:36:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 281F1610D0 for ; Mon, 23 Aug 2021 20:36:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232474AbhHWUgt (ORCPT ); Mon, 23 Aug 2021 16:36:49 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:42850 "EHLO galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231569AbhHWUgq (ORCPT ); Mon, 23 Aug 2021 16:36:46 -0400 From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1629750962; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=hyzgwb1o6IVyPBvQ3nUKZSabyVCsPXw9yoBJPqbMIzk=; b=pgcLL7tcB8OugO3K3nLEBVJKYpv4acJBACFqSRrAC9tq+r+yiuJA+dmlDQYK/21G5m1N8q 9QuOK056huFmur9BFFL9r9wPko19l08FwLCbk4nm5kcNyqe0XL6puZ3Qi5Wu2YTFMU4MhW vbqadA1hQh/GeGOhflNMKN64TMpXmtxLIXP9LANuMSeAO8+lGGTfG2X9lk0fsoxLeTOvOP 50D2t7O92a5DW19a0MXlrWBZ9DtojYaPJTHQUmjZKuYjXu28NZvb9v7oB8inV2P0FgSqVr cSlaanB2Z/riYjMwGbVw/0kohwwG1DmzaGm+vmiD+hUzxMuKVO5Sdr3eZoFx5w== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1629750962; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=hyzgwb1o6IVyPBvQ3nUKZSabyVCsPXw9yoBJPqbMIzk=; b=dPAH2pc1RfTQqWlJjYXpzmr+tRqSpC30Sk4XSYjPJDrXCDW0obTk5hfkHRQOEr3T5Ye/Ky rkobwLZSfcZx83BQ== To: Vlastimil Babka , Andrew Morton Cc: Christoph Lameter , David Rientjes , Pekka Enberg , Joonsoo Kim , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Mike Galbraith , Sebastian Andrzej Siewior , Mel Gorman , Jesper Dangaard Brouer , Jann Horn , Mike Galbraith Subject: Re: [PATCH v4 35/35] mm, slub: convert kmem_cpu_slab protection to local_lock In-Reply-To: References: <20210805152000.12817-1-vbabka@suse.cz> <20210805152000.12817-36-vbabka@suse.cz> <20210817125325.d0ed45d664596d1e80a591d7@linux-foundation.org> Date: Mon, 23 Aug 2021 22:36:01 +0200 Message-ID: <871r6j526m.ffs@tglx> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Andrew, On Wed, Aug 18 2021 at 13:52, Vlastimil Babka wrote: > On 8/17/21 9:53 PM, Andrew Morton wrote: >> On Tue, 17 Aug 2021 12:14:58 +0200 Vlastimil Babka wrote: > >> What's your confidence level for a 5.15-rc1 merge? > > I'd say pretty good. It's part of RT patchset for a while (since early > July IIRC?) and there has been lot of testing there. Mike and Mel also > tested under !RT configs, and the bug report from Sven means the mmotm > in -next also gets testing. The fixups were all thanks to the testing > and recently shifted to smaller unusual-config-specific issues that > could be dealt with even during rcX stabilization in case there's > more. I can confirm that the series converged nicely from the very beginning and Vlastimil was quickly addressing review feedback and the really moderate fallout. Various stress tests on both RT and mainline with the latest patches applied look rock solid now. There might be still some small dragons lurking, but I don't think there is a danger for a big fallout. >> It isn't terribly >> well reviewed? > > Yeah that could be better, the pool of people deeply familiar with SLUB > is not large, unfortunately. I hope folks will still step up! I've reviewed the lot several times with my RT hat on. I'm surely not qualifiying for deeply familiar, but I've been dealing with taming SLUB and the page allocator to play nicely with RT for almost 10 years now... Thanks, tglx