From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx175.postini.com [74.125.245.175]) by kanga.kvack.org (Postfix) with SMTP id 96CF46B005D for ; Wed, 9 Jan 2013 17:10:18 -0500 (EST) Received: by mail-da0-f43.google.com with SMTP id u36so953906dak.16 for ; Wed, 09 Jan 2013 14:10:17 -0800 (PST) Date: Wed, 9 Jan 2013 14:06:41 -0800 From: Anton Vorontsov Subject: Re: [PATCH 1/2] Add mempressure cgroup Message-ID: <20130109220641.GA12865@lizard.fhda.edu> References: <20130104082751.GA22227@lizard.gateway.2wire.net> <1357288152-23625-1-git-send-email-anton.vorontsov@linaro.org> <20130109203731.GA20454@htj.dyndns.org> <50EDDF1E.6010705@parallels.com> <20130109213604.GA9475@lizard.fhda.edu> <20130109215514.GD20454@htj.dyndns.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20130109215514.GD20454@htj.dyndns.org> Sender: owner-linux-mm@kvack.org List-ID: To: Tejun Heo Cc: Glauber Costa , David Rientjes , Pekka Enberg , Mel Gorman , Michal Hocko , "Kirill A. Shutemov" , Luiz Capitulino , Andrew Morton , Greg Thelen , Leonid Moiseichuk , KOSAKI Motohiro , Minchan Kim , Bartlomiej Zolnierkiewicz , John Stultz , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linaro-kernel@lists.linaro.org, patches@linaro.org, kernel-team@android.com, KAMEZAWA Hiroyuki On Wed, Jan 09, 2013 at 01:55:14PM -0800, Tejun Heo wrote: [...] > > We can use mempressure w/o memcg, and even then it can (or should :) be > > useful (for cpuset, for example). > > The problem is that you end with, at the very least, duplicate > hierarchical accounting mechanisms which overlap with each other > while, most likely, being slightly different. About the same thing > happened with cpu and cpuacct controllers and we're now trying to > deprecate the latter. Yeah. I started answering your comments about hierarchical accounting, looked into the memcg code, and realized that *this* is where I need the memcg stuff. :) Thus yes, I guess I'll have to integrate it with memcg, or sort of. I will surely Cc you on the next interations. Thanks, Anton -- 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