From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail6.bemta12.messagelabs.com (mail6.bemta12.messagelabs.com [216.82.250.247]) by kanga.kvack.org (Postfix) with ESMTP id CBE306B01A1 for ; Fri, 14 Oct 2011 03:45:23 -0400 (EDT) Message-ID: <4E97E86B.8070608@parallels.com> Date: Fri, 14 Oct 2011 11:44:43 +0400 From: Glauber Costa MIME-Version: 1.0 Subject: Re: Proposed memcg meeting at October Kernel Summit/European LinuxCon in Prague References: <1316693805.10571.25.camel@dabdike> <20110926131027.GA14964@tiehlicka.suse.cz> <1317147379.9186.19.camel@dabdike.hansenpartnership.com> <20110929115419.GF21113@tiehlicka.suse.cz> <1318428864.3027.10.camel@dabdike.int.hansenpartnership.com> <1318539490.3018.58.camel@dabdike.int.hansenpartnership.com> In-Reply-To: Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Ying Han Cc: James Bottomley , Hugh Dickins , Kir Kolyshkin , Pavel Emelianov , GregThelen , Paul Turner , Tim Hockin , KAMEZAWA Hiroyuki , Johannes Weiner , Dave Hansen , Paul Menage , "linux-mm@kvack.org" , Michal Hocko On 10/14/2011 02:13 AM, Ying Han wrote: > On Thu, Oct 13, 2011 at 1:58 PM, James Bottomley > wrote: >> On Thu, 2011-10-13 at 13:54 -0700, Ying Han wrote: >>> On Wed, Oct 12, 2011 at 7:14 AM, James Bottomley >>> wrote: >>>> On Mon, 2011-10-10 at 19:35 -0700, Ying Han wrote: >>>>> On Thu, Sep 29, 2011 at 2:30 PM, Hugh Dickins wrote: >>>>>> On Thu, Sep 29, 2011 at 4:54 AM, Michal Hocko wrote: >>>>>>> On Tue 27-09-11 13:16:19, James Bottomley wrote: >>>>>>>> On Mon, 2011-09-26 at 15:10 +0200, Michal Hocko wrote: >>>>>>>>> On Thu 22-09-11 12:16:47, James Bottomley wrote: >>>>>>>>>> Hi All, >>>>>>>>> >>>>>>>>> Hi, >>>>>>>>> >>>>>>>>>> >>>>>>>>>> One of the major work items that came out of the Plumbers conference >>>>>>>>>> containers and Cgroups meeting was the need to work on memcg: >>>>>>>>>> >>>>>>>>>> http://www.linuxplumbersconf.org/2011/ocw/events/LPC2011MC/tracks/105 >>>>>>>>>> >>>>>>>>>> (see etherpad and presentations) >>>>>>>>>> >>>>>>>>>> Since almost everyone will be either at KS or LinuxCon, I thought doing >>>>>>>>>> a small meeting on the Wednesday of Linux Con (so those at KS who might >>>>>>>>>> not be staying for the whole of LinuxCon could attend) might be a good >>>>>>>>>> idea. The object would be to get all the major players to agree on >>>>>>>>>> who's doing what. You can see Parallels' direction from the patches >>>>>>>>>> Glauber has been posting. Google should shortly be starting work on >>>>>>>>>> other aspects of the memgc as well. >>>>>>>>>> >>>>>>>>>> As a precursor to the meeting (and actually a requirement to make it >>>>>>>>>> effective) we need to start posting our preliminary patches and design >>>>>>>>>> ideas to the mm list (hint, Google people, this means you). >>>>>>>>>> >>>>>>>>>> I think I've got all of the interested parties in the To: field, but I'm >>>>>>>>>> sending this to the mm list just in case I missed anyone. If everyone's >>>>>>>>>> OK with the idea (and enough people are going to be there) I'll get the >>>>>>>>>> Linux Foundation to find us a room. >>>>>>>>> >>>>>>>>> I am not going to be at KS but I am in Prague. I would be happy to meet >>>>>>>>> as well if it is possible. >>>>>>>> >>>>>>>> Certainly. >>>>>>> >>>>>>> OK, then add me as well. >>>>>> >>>>>> Please include Ying Han and Hugh Dickins; but regrettably, scheduling >>>>>> issues will prevent Greg Thelen from attending. >>>>> >>>>> Thank you Hugh. I will be in KS as well as the memcg meeting. Sorry >>>>> for the late reply due to OOO in the past few weeks. >>>>> >>>>> James, >>>>> >>>>> Thank you so much for organizing this and please keep us informed when >>>>> the detailed schedule is out :) >>>> >>>> We're a bit blocked on this. We have some proposals, particularly in >>>> the area of shrinkers, but we know you have patches in this area which >>>> we haven't seen ... can you post the google memgc patches just for >>>> reference (they don't have to be final, or even highly polished) just so >>>> we have a common base to work from? >>> >>> sorry for getting back late. >>> >>> We are preparing the patches and should be able to send out before the >>> summit. The patchset itself does the kernel slab accounting in memcg, >>> and something we would like to discuss in the memcg meeting in >>> Wednesday as well. >> >> Perfect, thanks. This meshes well because we're trying to recast the >> Dentry cache patch in terms of slab accounting and we need to make sure >> our two patches are consistent. > > I assume the dentry cache patch is the "[PATCH v3 0/4] Per-container > dcache limitation "? > > Also, I am not sure where to get more information of the proposals > being sent so far for the meeting, and it would be helpful for us to > look through them before the day. Sorry if i missed it somewhere in > linux-mm :) There were many discussions with no conclusions so far. My current approach was briefly explained in: http://www.spinics.net/lists/linux-mm/msg25340.html (What does glommer think about kmem cgroup ?) In this particular context, glommer being me. -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org