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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 D8DC2C3A5A0 for ; Wed, 21 Aug 2019 06:45:00 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 733052089E for ; Wed, 21 Aug 2019 06:45:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 733052089E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id DD43B6B0299; Wed, 21 Aug 2019 02:44:59 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id D5D3F6B029A; Wed, 21 Aug 2019 02:44:59 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C4C436B029B; Wed, 21 Aug 2019 02:44:59 -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 9CD196B0299 for ; Wed, 21 Aug 2019 02:44:59 -0400 (EDT) Received: from smtpin19.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with SMTP id 42F866889 for ; Wed, 21 Aug 2019 06:44:59 +0000 (UTC) X-FDA: 75845497518.19.eye59_82cdfa6e76a4d X-HE-Tag: eye59_82cdfa6e76a4d X-Filterd-Recvd-Size: 1719 Received: from mx1.suse.de (mx2.suse.de [195.135.220.15]) by imf03.hostedemail.com (Postfix) with ESMTP for ; Wed, 21 Aug 2019 06:44:58 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id C3493ABE3; Wed, 21 Aug 2019 06:44:55 +0000 (UTC) Date: Wed, 21 Aug 2019 08:44:52 +0200 From: Michal Hocko To: Yafang Shao Cc: Roman Gushchin , "akpm@linux-foundation.org" , "linux-mm@kvack.org" , Randy Dunlap , Johannes Weiner , Vladimir Davydov , Tetsuo Handa , Souptick Joarder , Yafang Shao Subject: Re: [PATCH v2] mm, memcg: skip killing processes under memcg protection at first scan Message-ID: <20190821064452.GV3111@dhcp22.suse.cz> References: <1566177486-2649-1-git-send-email-laoar.shao@gmail.com> <20190820213905.GB12897@tower.DHCP.thefacebook.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) 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 Wed 21-08-19 09:00:39, Yafang Shao wrote: [...] > More possible OOMs is also a strong side effect (and it prevent us > from using it). So why don't you use low limit if the guarantee side of min limit is too strong for you? -- Michal Hocko SUSE Labs