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=-13.6 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL 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 B7D45C433E0 for ; Tue, 5 Jan 2021 19:42:32 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 585EA22D72 for ; Tue, 5 Jan 2021 19:42:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 585EA22D72 Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 8E2628D00A7; Tue, 5 Jan 2021 14:42:31 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 892808D006E; Tue, 5 Jan 2021 14:42:31 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 7A8528D00A7; Tue, 5 Jan 2021 14:42:31 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0102.hostedemail.com [216.40.44.102]) by kanga.kvack.org (Postfix) with ESMTP id 61D338D006E for ; Tue, 5 Jan 2021 14:42:31 -0500 (EST) Received: from smtpin14.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 2401E181AEF10 for ; Tue, 5 Jan 2021 19:42:31 +0000 (UTC) X-FDA: 77672743302.14.nose89_42175e9274db Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin14.hostedemail.com (Postfix) with ESMTP id F2AA618229818 for ; Tue, 5 Jan 2021 19:42:30 +0000 (UTC) X-HE-Tag: nose89_42175e9274db X-Filterd-Recvd-Size: 4364 Received: from mail-lf1-f47.google.com (mail-lf1-f47.google.com [209.85.167.47]) by imf33.hostedemail.com (Postfix) with ESMTP for ; Tue, 5 Jan 2021 19:42:30 +0000 (UTC) Received: by mail-lf1-f47.google.com with SMTP id x20so1086297lfe.12 for ; Tue, 05 Jan 2021 11:42:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=BYoTEEasTGTbeUe5rO0NOqcMl/OsWURt/XrVYO9iiBE=; b=rVAYvv/W3AwJm3e7hsUlb8tsPHpuRmS/tGCKqISerYJWmOpDfpfLStFg/yt9KJ3NzY frYYOWAAhLCirAwpOFpfKhI0lQFcrlM09zdnx3qQB7hHP9q4UbS7puMB9aspXQEy0e8d zz9wv4iUHWToHSIzzBGMePeHDDgU1rE2Ht6ZPfI11hgEOVmAXNsOGOe1Aqve1moPjF+t NkZs2cwjbhTFbvDuPaL3B+nRfnWpxyL3AdhvzqUPYFzRTRuFezyJ+/QwgrMJ9ouaOaKV xvMywi3uY/4gUz8dAvH36AgEtNQR+U302+0NYCbx0xmZb61kb9M1pKqdn+AshRwIZMj+ a2Dg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=BYoTEEasTGTbeUe5rO0NOqcMl/OsWURt/XrVYO9iiBE=; b=ABTHCi8QXfoap9TWRwOeUA595JfXmTqmLmIKy1JdPXLPkwmzgi7wMXW4mKfTe2C/Lb 1LJ5qRGKd9rmoESZA0PsTDZwSWZ1gTWE58orwu5MK/YnAIM4Qq3C6MM2Qd/LZDX718bF nJ0/Ho9N79+G/Wb1e3e8JLCvjxzdzH6faHJD48w4iqn2MXS9uNPSmTDNpC+eEjx48vfN IngRcvdYOFgOiqcATUwPRrGc4p/i/+GIGeJBh2D2UaSr99pk6FyZMqlB3foZd5yTTP0X c5qNVvcoX9kYLqIjv+VJbFdkowtblYnW34+bmiN7GZrK1tTSO2mMzP7oL8//hRQFrd2W 8fEA== X-Gm-Message-State: AOAM532jw6+/DEMyTTj6W1tkYfsKE3ERL7jKZqccKechyKRcaStit1cL zZ2yLecCKuF1LioJweqSFFpBmUbzrBFTAgmdqfZ70w== X-Google-Smtp-Source: ABdhPJx/+k688ShdldqheuNW9q3B3igGtUsLNim+goYWXcvTrFNPoh8S6h0MdE29Sjhy0iwjyhdyppnpI1tlclKVhuA= X-Received: by 2002:ac2:47e7:: with SMTP id b7mr343986lfp.117.1609875748867; Tue, 05 Jan 2021 11:42:28 -0800 (PST) MIME-Version: 1.0 References: <1604566549-62481-1-git-send-email-alex.shi@linux.alibaba.com> In-Reply-To: From: Shakeel Butt Date: Tue, 5 Jan 2021 11:42:18 -0800 Message-ID: Subject: Re: [PATCH v21 00/19] per memcg lru lock To: Qian Cai Cc: Alex Shi , Andrew Morton , Mel Gorman , Tejun Heo , Hugh Dickins , Konstantin Khlebnikov , Daniel Jordan , Matthew Wilcox , Johannes Weiner , kernel test robot , Linux MM , LKML , Cgroups , Joonsoo Kim , Wei Yang , "Kirill A. Shutemov" , alexander.duyck@gmail.com, kernel test robot , Michal Hocko , Vladimir Davydov , Yang Shi Content-Type: text/plain; charset="UTF-8" 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 Tue, Jan 5, 2021 at 11:30 AM Qian Cai wrote: > > On Thu, 2020-11-05 at 16:55 +0800, Alex Shi wrote: > > This version rebase on next/master 20201104, with much of Johannes's > > Acks and some changes according to Johannes comments. And add a new patch > > v21-0006-mm-rmap-stop-store-reordering-issue-on-page-mapp.patch to support > > v21-0007. > > > > This patchset followed 2 memcg VM_WARN_ON_ONCE_PAGE patches which were > > added to -mm tree yesterday. > > > > Many thanks for line by line review by Hugh Dickins, Alexander Duyck and > > Johannes Weiner. > > Given the troublesome history of this patchset, and had been put into linux-next > recently, as well as it touched both THP and mlock. Is it a good idea to suspect > this patchset introducing some races and a spontaneous crash with some mlock > memory presume? This has already been merged into the linus tree. Were you able to get a similar crash on the latest upstream kernel as well?