From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf0-f70.google.com (mail-lf0-f70.google.com [209.85.215.70]) by kanga.kvack.org (Postfix) with ESMTP id 486DD6B0069 for ; Thu, 12 Jan 2017 10:33:16 -0500 (EST) Received: by mail-lf0-f70.google.com with SMTP id k86so9038844lfi.4 for ; Thu, 12 Jan 2017 07:33:16 -0800 (PST) Received: from smtp33.i.mail.ru (smtp33.i.mail.ru. [94.100.177.93]) by mx.google.com with ESMTPS id v62si5510236lfa.403.2017.01.12.07.33.14 for (version=TLS1 cipher=AES128-SHA bits=128/128); Thu, 12 Jan 2017 07:33:14 -0800 (PST) Date: Thu, 12 Jan 2017 18:33:11 +0300 From: Vladimir Davydov Subject: Re: [Bug 190841] New: [REGRESSION] Intensive Memory CGroup removal leads to high load average 10+ Message-ID: <20170112153311.GC31816@esperanza> References: <20170104173037.7e501fdfee9ec21f0a3a5d55@linux-foundation.org> <20170106162827.GA31816@esperanza> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org List-ID: To: Vladyslav Frolov Cc: Michal Hocko , Johannes Weiner , Andrew Morton , bugzilla-daemon@bugzilla.kernel.org, linux-mm@kvack.org On Thu, Jan 12, 2017 at 03:55:59PM +0200, Vladyslav Frolov wrote: > Indeed, `cgroup.memory=nokmem` works around the high load average on > all the kernels! > > 4.10rc2 kernel without `cgroup.memory=nokmem` behaves much better than > 4.7-4.9 kernels, yet it still reaches LA ~6 using my reproduction > script, while LA <=1.0 is expected. 4.10rc2 feels like 4.6, which I > described as "seminormal". Thanks for trying it out. I'll think if we can do anything to further improve performance over the weekend. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org