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 ADC92C2BA19 for ; Tue, 14 Apr 2020 18:19:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8AE4D20767 for ; Tue, 14 Apr 2020 18:19:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chrisdown.name header.i=@chrisdown.name header.b="ZabiIsnK" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2503772AbgDNST3 (ORCPT ); Tue, 14 Apr 2020 14:19:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46336 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S2503749AbgDNSTZ (ORCPT ); Tue, 14 Apr 2020 14:19:25 -0400 Received: from mail-wr1-x441.google.com (mail-wr1-x441.google.com [IPv6:2a00:1450:4864:20::441]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1091AC061A0C for ; Tue, 14 Apr 2020 11:19:24 -0700 (PDT) Received: by mail-wr1-x441.google.com with SMTP id a25so15635484wrd.0 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=P6+NWu8RuT1xz5V9/3G6zkwpJ/WBNrxnN3Kv9SK6WooGTyDar5akB4HoXlszB2mAPS xja0evxWZ2qzhR7FzH7vZkBMQ5ctAsR7fy3B+7t2G2HMA/uKiUgZ6FvyqqH2Ug3zSO1D pjOTmJsP/V97TfLwVGZyFCq2+TtJ8wAo16fr6OV9UIigUxA82DpyRLOJuBfd2AVvGj8c 1HTDQN6SO0ymt/la/1dI2OfJOEgrpK8cT1HFUw9jBGgY3Q38Qd+1Aty443R+V6ttnhzr rZE7CqdzOmAuTE3kTx9UAk8klrhris3TkSp0gaoIItxp9Mw9QYE+k/BJiJ5sN6rehVFU 18oA== X-Gm-Message-State: AGi0PuZIFIGAwG4nO5lrXStklKhQG1II3IeYpbOlIe7d+plmqecDDopL 4I/Gt9c4709IqvTo8Uoz/ByZeg== 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> Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 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.