From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx166.postini.com [74.125.245.166]) by kanga.kvack.org (Postfix) with SMTP id 6BDAB6B005D for ; Tue, 29 May 2012 15:55:54 -0400 (EDT) Date: Tue, 29 May 2012 14:55:49 -0500 (CDT) From: Christoph Lameter Subject: Re: [PATCH v3 13/28] slub: create duplicate cache In-Reply-To: <4FC52612.5060006@parallels.com> Message-ID: References: <1337951028-3427-1-git-send-email-glommer@parallels.com> <1337951028-3427-14-git-send-email-glommer@parallels.com> <4FC4F1A7.2010206@parallels.com> <4FC501E9.60607@parallels.com> <4FC506E6.8030108@parallels.com> <4FC52612.5060006@parallels.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Glauber Costa Cc: linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, linux-mm@kvack.org, kamezawa.hiroyu@jp.fujitsu.com, Tejun Heo , Li Zefan , Greg Thelen , Suleiman Souhlal , Michal Hocko , Johannes Weiner , devel@openvz.org, David Rientjes , Pekka Enberg On Tue, 29 May 2012, Glauber Costa wrote: > I don't know about cpusets in details, but at least with NUMA, this is not an > apple-to-apple comparison. a NUMA node is not meant to contain you. A > container is, and that is why it is called a container. Cpusets contains sets of nodes. A cpusets "contains" nodes. These sets are associated with applications. > NUMA just means what is the *best* node to put my memory. > Now, if you actually say, through you syscalls "this is the node it should > live in", then you have a constraint, that to the best of my knowledge is > respected. Eith cpusets it means that memory needs to come from an assigned set of nodes. > Now isolation here, is done in the container boundary. (cgroups, to be > generic). Yes and with cpusets it is done at the cpuset boundary. Very much the same. -- 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