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=-2.5 required=3.0 tests=MAILING_LIST_MULTI,SPF_PASS, USER_AGENT_MUTT autolearn=ham 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 6FB3CC46475 for ; Thu, 25 Oct 2018 07:11:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3219A2082D for ; Thu, 25 Oct 2018 07:11:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3219A2082D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727046AbeJYPnJ (ORCPT ); Thu, 25 Oct 2018 11:43:09 -0400 Received: from mx2.suse.de ([195.135.220.15]:53196 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726465AbeJYPnJ (ORCPT ); Thu, 25 Oct 2018 11:43:09 -0400 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 D3932AD02; Thu, 25 Oct 2018 07:11:41 +0000 (UTC) Date: Thu, 25 Oct 2018 09:11:40 +0200 From: Michal Hocko To: Andrew Morton Cc: David Rientjes , Tetsuo Handa , Johannes Weiner , linux-mm@kvack.org, syzkaller-bugs@googlegroups.com, guro@fb.com, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, yang.s@alibaba-inc.com, Sergey Senozhatsky , Petr Mladek , Sergey Senozhatsky , Steven Rostedt Subject: Re: [PATCH] mm,oom: Use timeout based back off. Message-ID: <20181025071140.GK18839@dhcp22.suse.cz> References: <1540033021-3258-1-git-send-email-penguin-kernel@I-love.SAKURA.ne.jp> <20181024155454.4e63191fbfaa0441f2e62f56@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181024155454.4e63191fbfaa0441f2e62f56@linux-foundation.org> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed 24-10-18 15:54:54, Andrew Morton wrote: [...] > There has been a lot of heat and noise and confusion and handwaving in > all of this. What we're crying out for is simple testcases which > everyone can run. Find a problem, write the testcase, distribute that. > Develop a solution for that testcase then move on to the next one. Agreed! It is important for these test to represent some reasonable workloads though. -- Michal Hocko SUSE Labs