Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750707AbWHRR3a (ORCPT ); Fri, 18 Aug 2006 13:29:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751426AbWHRR3a (ORCPT ); Fri, 18 Aug 2006 13:29:30 -0400 Received: from e3.ny.us.ibm.com ([32.97.182.143]:24745 "EHLO e3.ny.us.ibm.com") by vger.kernel.org with ESMTP id S1750707AbWHRR33 (ORCPT ); Fri, 18 Aug 2006 13:29:29 -0400 Subject: Re: [ckrm-tech] [PATCH 4/7] UBC: syscalls (user interface) From: Dave Hansen To: Andrew Morton Cc: Rik van Riel , ckrm-tech@lists.sourceforge.net, Christoph@sc8-sf-spam2-b.sourceforge.net, List , Kirill Korotaev , Hellwig , Andrey Savochkin , Alan Cox , Linux@sc8-sf-spam2-b.sourceforge.net, rohitseth@google.com, hugh@veritas.com, Ingo Molnar , Pavel Emelianov , devel@openvz.org, Andi Kleen , Linux Containers In-Reply-To: <20060818094248.cdca152d.akpm@osdl.org> References: <44E33893.6020700@sw.ru> <44E33C3F.3010509@sw.ru> <1155752277.22595.70.camel@galaxy.corp.google.com> <1155755069.24077.392.camel@localhost.localdomain> <1155756170.22595.109.camel@galaxy.corp.google.com> <44E45D6A.8000003@sw.ru> <20060817084033.f199d4c7.akpm@osdl.org> <20060818120809.B11407@castle.nmd.msu.ru> <1155912348.9274.83.camel@localhost.localdomain> <20060818094248.cdca152d.akpm@osdl.org> Content-Type: text/plain Date: Fri, 18 Aug 2006 10:29:16 -0700 Message-Id: <1155922156.12204.18.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.4.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 786 Lines: 17 On Fri, 2006-08-18 at 09:42 -0700, Andrew Morton wrote: > I have this mad idea that you can divide a 128GB machine up into 256 fake > NUMA nodes, then you use each "node" as a 512MB unit of memory allocation. > So that 4.5GB job would be placed within an exclusive cpuset which has nine > "mems" (what are these called?) and voila: the job has a hard 4.5GB limit, > no kernel changes needed. Is this similar to Mel Gorman's zone-based anti-fragmentation approach? I thought he was discouraged from pursuing that at the VM summit. -- Dave - 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/