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=-9.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 05750C433F5 for ; Tue, 14 Sep 2021 10:01:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DFABC60C40 for ; Tue, 14 Sep 2021 10:01:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231184AbhINKDH (ORCPT ); Tue, 14 Sep 2021 06:03:07 -0400 Received: from relay.sw.ru ([185.231.240.75]:59470 "EHLO relay.sw.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229907AbhINKDC (ORCPT ); Tue, 14 Sep 2021 06:03:02 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=virtuozzo.com; s=relay; h=Content-Type:MIME-Version:Date:Message-ID:From: Subject; bh=ImRIPihhAObidTCiJqcnR+Z8IfwFSS7GltQDYdsx+N8=; b=s9EIcM218cXLgAcVF x2igWWw+5J2ksbdHAJ76DZGcs4PAzMOI4aqrBzYOgTroR3W22sFgMdz6nr8qWJSgZEgjefXl12Zfz 5Rzt4hTINk5F9djLHnQdmuhAnpSxGuDgQmwNgTfiMHgIIord/XMaxAN3OiEGHEcr2V+NjawPY02l0 =; Received: from [10.93.0.56] by relay.sw.ru with esmtp (Exim 4.94.2) (envelope-from ) id 1mQ5G0-001w0o-Uf; Tue, 14 Sep 2021 13:01:40 +0300 Subject: Re: [PATCH memcg] memcg: prohibit unconditional exceeding the limit of dying tasks To: Michal Hocko Cc: Johannes Weiner , Vladimir Davydov , Andrew Morton , Tetsuo Handa , cgroups@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <5b06a490-55bc-a6a0-6c85-690254f86fad@virtuozzo.com> <7af26106-388c-6f99-e018-669a8f0cf9b5@virtuozzo.com> From: Vasily Averin Message-ID: Date: Tue, 14 Sep 2021 13:01:40 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 9/13/21 1:55 PM, Michal Hocko wrote: > Here is what I would do. Your patch fixes the problem, I just want to add rename of should_force_charge() helper to task_is_dying() and will submit v2 version soon. I think this patch is not optimal, however its improvements can be discussed later. Thank you, Vasily Averin From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vasily Averin Subject: Re: [PATCH memcg] memcg: prohibit unconditional exceeding the limit of dying tasks Date: Tue, 14 Sep 2021 13:01:40 +0300 Message-ID: References: <5b06a490-55bc-a6a0-6c85-690254f86fad@virtuozzo.com> <7af26106-388c-6f99-e018-669a8f0cf9b5@virtuozzo.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=virtuozzo.com; s=relay; h=Content-Type:MIME-Version:Date:Message-ID:From: Subject; bh=ImRIPihhAObidTCiJqcnR+Z8IfwFSS7GltQDYdsx+N8=; b=s9EIcM218cXLgAcVF x2igWWw+5J2ksbdHAJ76DZGcs4PAzMOI4aqrBzYOgTroR3W22sFgMdz6nr8qWJSgZEgjefXl12Zfz 5Rzt4hTINk5F9djLHnQdmuhAnpSxGuDgQmwNgTfiMHgIIord/XMaxAN3OiEGHEcr2V+NjawPY02l0 =; In-Reply-To: Content-Language: en-US List-ID: Content-Type: text/plain; charset="us-ascii" To: Michal Hocko Cc: Johannes Weiner , Vladimir Davydov , Andrew Morton , Tetsuo Handa , cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org On 9/13/21 1:55 PM, Michal Hocko wrote: > Here is what I would do. Your patch fixes the problem, I just want to add rename of should_force_charge() helper to task_is_dying() and will submit v2 version soon. I think this patch is not optimal, however its improvements can be discussed later. Thank you, Vasily Averin