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=-0.9 required=3.0 tests=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 5364CC2BA19 for ; Tue, 14 Apr 2020 18:19:25 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 1C1AD20767 for ; Tue, 14 Apr 2020 18:19:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chrisdown.name header.i=@chrisdown.name header.b="ZabiIsnK" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1C1AD20767 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chrisdown.name Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id B8CE38E0016; Tue, 14 Apr 2020 14:19:24 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id B160A8E0001; Tue, 14 Apr 2020 14:19:24 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id A2D6E8E0016; Tue, 14 Apr 2020 14:19:24 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0092.hostedemail.com [216.40.44.92]) by kanga.kvack.org (Postfix) with ESMTP id 87EF98E0001 for ; Tue, 14 Apr 2020 14:19:24 -0400 (EDT) Received: from smtpin28.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 568892461 for ; Tue, 14 Apr 2020 18:19:24 +0000 (UTC) X-FDA: 76707273048.28.desk95_34f48c501ce39 X-HE-Tag: desk95_34f48c501ce39 X-Filterd-Recvd-Size: 3077 Received: from mail-wr1-f67.google.com (mail-wr1-f67.google.com [209.85.221.67]) by imf41.hostedemail.com (Postfix) with ESMTP for ; Tue, 14 Apr 2020 18:19:23 +0000 (UTC) Received: by mail-wr1-f67.google.com with SMTP id b11so4226253wrs.6 for ; Tue, 14 Apr 2020 11:19:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chrisdown.name; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=Z7RFC4UDtzgCMtAJ4kXgnhBcp8pqe2wl7bATSZuLIp8=; b=ZabiIsnKOXCTJXyogEKJpCwq1zS8Jw3TAlujYBoIO4yOLNmRfAVC8Pa7oqniSHaIJq /O9zEPxrXF8t3pdSrZMt9HXXqgFJKqlelr77T/4+2pqChLj+uSdTC4eYckCYYHF0998p MAZUcGtwfnkqNAqbV2yEsbF3sqP/oj9i89GHM= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=Z7RFC4UDtzgCMtAJ4kXgnhBcp8pqe2wl7bATSZuLIp8=; b=Hy68UvuVYSDPDItlhZUZUxBwU5FmwxeVcyqn7Oc5nXT3eDLZxnM0u6uJUrP97oC4kB BGFJNj6PbKl4bH516lY/s6mc8JKU8lYx1CXWfW9Vt2bPa6jVfsY0p8Dw+iYKDtqzuzQx XJIFe/KpPZwFXhNS/Bw7p5FAjh5gVr53nMVpDRtxQfLspUL+T3HetlsRTrLw1GlpZpxJ ltLkKAFB2sOIAUVtClEjIo5KzOBFF/7q7gki3Gigsi5kNDvcCKk7zHBzg9IfEoq822SA RRNfKIUjOuQO1aXdQvKO5n8Mn1NrudGpAFWDmkO87R1PKD4pAponoeLAi7KIB/cm1tSc D/eQ== X-Gm-Message-State: AGi0PuYYdlNg6Za/5xzYq2sbLVWZMcHnX9Ar0ij8vhEV4drzqaW2G5JD 1vWBPFKiWBmHomyza6TU8bDOlQ== X-Google-Smtp-Source: APiQypKV/3UJOcqK3Sh2XmER1j4Gy9/Bk5W4wFBXa6VwIKBTfArTgta7dQg2ChilaDi4JSY+ljMsDg== X-Received: by 2002:a5d:464d:: with SMTP id j13mr23656702wrs.269.1586888362635; Tue, 14 Apr 2020 11:19:22 -0700 (PDT) Received: from localhost ([2a01:4b00:8432:8a00:fa59:71ff:fe7e:8d21]) by smtp.gmail.com with ESMTPSA id n4sm19211798wmi.20.2020.04.14.11.19.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Apr 2020 11:19:22 -0700 (PDT) Date: Tue, 14 Apr 2020 19:19:21 +0100 From: Chris Down To: Yafang Shao Cc: hannes@cmpxchg.org, mhocko@kernel.org, vdavydov.dev@gmail.com, akpm@linux-foundation.org, linux-mm@kvack.org, Shakeel Butt , stable@vger.kernel.org Subject: Re: [PATCH] mm, memcg: fix inconsistent oom event behavior Message-ID: <20200414181921.GA1864550@chrisdown.name> References: <20200412140427.6732-1-laoar.shao@gmail.com> <20200413193111.GA1559372@chrisdown.name> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20200413193111.GA1559372@chrisdown.name> X-Bogosity: Ham, tests=bogofilter, spamicity=0.000062, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: To be clear, you're correct that this wasn't intended to result in any changes on cgroup v1, so I'm not against the change. Especially for stable, though, I'd like to understand what the real results and ramifications are here.