From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753821AbeDJNOu (ORCPT ); Tue, 10 Apr 2018 09:14:50 -0400 Received: from mail.kernel.org ([198.145.29.99]:52654 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752857AbeDJNOt (ORCPT ); Tue, 10 Apr 2018 09:14:49 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0A8EE20652 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=goodmis.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=rostedt@goodmis.org Date: Tue, 10 Apr 2018 09:14:46 -0400 From: Steven Rostedt To: Michal Hocko Cc: Zhaoyang Huang , Ingo Molnar , LKML , Joel Fernandes Subject: Re: [PATCH v1] ringbuffer: Don't choose the process with adj equal OOM_SCORE_ADJ_MIN Message-ID: <20180410091446.01c25c3b@gandalf.local.home> In-Reply-To: <20180410091311.20bd8ccc@gandalf.local.home> References: <20180410061447.GQ21835@dhcp22.suse.cz> <20180410074921.GU21835@dhcp22.suse.cz> <20180410081231.GV21835@dhcp22.suse.cz> <20180410090128.GY21835@dhcp22.suse.cz> <20180410104902.GC21835@dhcp22.suse.cz> <20180410082316.263d34ec@gandalf.local.home> <20180410122706.GH21835@dhcp22.suse.cz> <20180410083625.2c904ab2@gandalf.local.home> <20180410091311.20bd8ccc@gandalf.local.home> X-Mailer: Claws Mail 3.16.0 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 10 Apr 2018 09:13:11 -0400 Steven Rostedt wrote: > Something like this: Zhaoyang, would this work for you? Then all you need to do is to: echo 0 > /d/tracing/options/mem-reclaim and then you have the old behavior before Joel's patch. It will use NORETRY and also not set up the OOM to kill your task. -- Steve