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=-0.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 6584AC636C8 for ; Sun, 18 Jul 2021 08:12:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3FADA60C40 for ; Sun, 18 Jul 2021 08:12:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230517AbhGRIPE (ORCPT ); Sun, 18 Jul 2021 04:15:04 -0400 Received: from mout.gmx.net ([212.227.17.21]:35335 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229578AbhGRIPD (ORCPT ); Sun, 18 Jul 2021 04:15:03 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1626595914; bh=KV34qVRDRX4HzUGJlfF/hgIY5lowDhF96SMQf1+Mm08=; h=X-UI-Sender-Class:Subject:From:To:Cc:Date:In-Reply-To:References; b=idCSCnf/ub1eZxKKucRvicU10txuYZf3/3mZuihzKsZlB8APLrJ8NXnjWaTvD/g68 HehBJVGaKBhKWW/Sheei185N9Ww5AvOOhdgz+9cARCECOt8juBBDxyitvSKWR1Dpzi D3SMCUEWs0Xq70cHR6GW+ElVXx2elTPKDMlNKwvU= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from homer.fritz.box ([185.221.148.250]) by mail.gmx.net (mrgmx104 [212.227.17.168]) with ESMTPSA (Nemesis) id 1M1HZi-1m6gam1QZm-002qXJ; Sun, 18 Jul 2021 10:11:54 +0200 Message-ID: Subject: Re: [patch] v2 mm/slub: restore/expand unfreeze_partials() local exclusion scope From: Mike Galbraith To: Vlastimil Babka , Thomas Gleixner , LKML Cc: linux-rt-users@vger.kernel.org, Mel Gorman , Sebastian Andrzej Siewior Date: Sun, 18 Jul 2021 10:11:53 +0200 In-Reply-To: <725fe90b-4918-321e-ca88-6166bec0c131@suse.cz> References: <87tul5p2fa.ffs@nanos.tec.linutronix.de> <8c0e0c486056b5185b58998f2cce62619ed3f05c.camel@gmx.de> <878s2fnv79.ffs@nanos.tec.linutronix.de> <6c0e20dd84084036d5068e445746c3ed7e82ec4b.camel@gmx.de> <7431ceb9761c566cf2d1f6f263247acd8d38c4b5.camel@gmx.de> <476d147ab6eec386a1e8b8e11cb09708377f8c3e.camel@gmx.de> <725fe90b-4918-321e-ca88-6166bec0c131@suse.cz> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.34.4 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:anPAfTyiWoxwHinUd+8Y9MBiMVv4AZmtbHgVZnc69YUIVPh8GRC qC8svcEpfxPmzEbE948h3OV8JefJo92wypvbdt7V5Q5q9gahF9PRASQIji+57hStV4ESFgX 8zS1a5MJM3NJiSpcxti4+5XCpiofqdbBe5xBwNOth4EfzpYBaNp0uOIEAmTAJlcfvA9VmXW tIOQzgiE4lMxw4XyZvxtw== X-UI-Out-Filterresults: notjunk:1;V03:K0:SsdtYme0vY4=:yhuUJp+gz/yTGxYSOfA1us LVt7CzSm9emZmMbDXcmWzM8JsUKoBO37CmJVd+pDrgDR8cAOwV7/18U4bJz8l/IGust9qUt7E bi3AZLhz8TdiGVSCrFmEZRH30ouRaXjJbPJd9vJrkBn8jo1PYIqaLme6ImT1ukAjSDSSzh0GV ADTSbdI3SUlaANlYiOyNmo5TIAbbc9jjy/qBpzb6SyNnu8f2PROF1Pe5eJREG8e3/gJMIsGlE oC01AcFMdPwkLMCFmE+jWhPos0j86az1Otf9oaevU2oUlpqTM/JkMXxMnblEceSH4kn8+ReLV Vd6f9SJXGnGnnh3vzNlgzJgTWFGMMBLB35wp83ndD7r9Ghm5eReSn77YahkAGLKq8HIV+dQoC 7KeW1tUhqCxY3VsG/2+yyfWy6nWRx0GEouCSfCLLibSctdwUudjzJPMYywRzaqorne4F9OCvP 9oOfX/f73ECxKbct9ZUK50oexWB/Alta0iIvv5F9SihtZp0NBanm27U5yeyrT+zAhdIXImRwP o3AmjKPssIyp0GQW0OOorWgGNpx3gd9L0dSvjpyaRpm0RtjTESHuzdFKsTybkIHujcIjL2XEn teSPm3SXH6CT9BLJpTHUSTtBKUhxnkyiXT/tDESoxzwl84VifmAOQoa7PSnZLRqNSlmxLDjFf sCRRrgez72pFD3qfJsM4wOvKhBAD7w7MS0lKZv3GvXbEZfNXM+7Q34cqvL4JEk7A7f1GH98IQ u/B9aJlQ9IKwkU1nhSSjJ7iwnuj06I9bVHUR52tcN3/NcWG4mTWqp3lkln2Hyp/X9ZN/XQFEH oDb3F0YfJtiN+p1Kqg8VnrkzRKkfzGM5U6XzqswhnPQDWnNvi2knsqPd9ZMyLySj7d/OBe5n2 nmaHQ6F+nCFGoQcg1apExy4ONdWjYKTMYWVkKuRSXuCqY+ixJQHEt4rrL+tttm2dWJVBPUXNl dt8nUKwPKeD9/gXvR1rX8TZ3Knwha/qG3cZqVQlyMz0+RHE8+Pr+iAfe3L9XiPavVLQh/zwWJ NIpoD1eeKXmQLi4vP6x9dbVE6V8YVuHAX/oKqtFs9wUQyx52aKavA+GK712OhF6Niou/3gMzr ooxxdJZuZID79FjccuP3hfGiKU2+f1ecYMS Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 2021-07-18 at 09:58 +0200, Vlastimil Babka wrote: > On 7/17/21 4:58 PM, Mike Galbraith wrote: > > On Thu, 2021-07-15 at 18:34 +0200, Mike Galbraith wrote: > > > Greetings crickets, > > > > > > Methinks he problem is the hole these patches opened only for RT. > > > > > > static void put_cpu_partial(struct kmem_cache *s, struct page > > > *page, > > > int drain) > > > { > > > #ifdef CONFIG_SLUB_CPU_PARTIAL > > > struct page *oldpage; > > > int pages; > > > int pobjects; > > > > > > slub_get_cpu_ptr(s->cpu_slab); > > > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > > > > Bah, I'm tired of waiting to see what if anything mm folks do about > > this little bugger, so I'm gonna step on it my damn self and be > > done > > with it. Fly or die little patchlet. > > Sorry, Mike. Got some badly timed sickness. Will check ASAP. Hey, no apology necessary. I have no way of knowing what's going on behind the scenes, but I also didn't like the notion of just walking away from a busted thing, so given the silence, figured it's better to post the working something I've got (wart and all) than to let the bug go unchallenged. (take that damn bug.. pokes it with sharp stick;) -Mike