Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1946673AbWKAHol (ORCPT ); Wed, 1 Nov 2006 02:44:41 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1946674AbWKAHol (ORCPT ); Wed, 1 Nov 2006 02:44:41 -0500 Received: from ausmtp04.au.ibm.com ([202.81.18.152]:18571 "EHLO ausmtp04.au.ibm.com") by vger.kernel.org with ESMTP id S1946673AbWKAHok (ORCPT ); Wed, 1 Nov 2006 02:44:40 -0500 Message-ID: <45485046.6080508@in.ibm.com> Date: Wed, 01 Nov 2006 13:14:06 +0530 From: Balbir Singh Reply-To: balbir@in.ibm.com Organization: IBM User-Agent: Thunderbird 1.5.0.7 (X11/20060922) MIME-Version: 1.0 To: Paul Menage CC: dev@openvz.org, vatsa@in.ibm.com, sekharan@us.ibm.com, ckrm-tech@lists.sourceforge.net, haveblue@us.ibm.com, linux-kernel@vger.kernel.org, pj@sgi.com, matthltc@us.ibm.com, dipankar@in.ibm.com, rohitseth@google.com Subject: Re: [ckrm-tech] RFC: Memory Controller References: <20061030103356.GA16833@in.ibm.com> <4545D51A.1060808@in.ibm.com> <6599ad830610300304l58e235f7td54ef8744e462a55@mail.gmail.com> <4545FDCD.3080107@in.ibm.com> <6599ad830610301014l1bf78ce8q998229483d055a90@mail.gmail.com> <454782D2.3040208@in.ibm.com> <6599ad830610310922p61913cdaqb441a2cb718420a9@mail.gmail.com> <4548472A.50608@in.ibm.com> <6599ad830610312307i549f5a51h3b7a1744a14919f5@mail.gmail.com> In-Reply-To: <6599ad830610312307i549f5a51h3b7a1744a14919f5@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 880 Lines: 26 Paul Menage wrote: > On 10/31/06, Balbir Singh wrote: >> I thought this would be hard to do in general, but with a page --> >> container mapping that will come as a result of the memory controller, >> will it still be that hard? > > I meant that it's pretty much impossible with the current APIs > provided by the kernel. That's why one of the most useful things that > a memory controller can provide is accounting and limiting of page > cache usage. > > Paul Thanks for clarifying that! I completely agree, page cache control is very important! -- Balbir Singh, Linux Technology Center, IBM Software Labs - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/