From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sd0109e.au.ibm.com (d23rh905.au.ibm.com [202.81.18.225]) by e23smtp02.au.ibm.com (8.13.1/8.13.1) with ESMTP id mAB4qOMS001083 for ; Tue, 11 Nov 2008 15:52:24 +1100 Received: from d23av01.au.ibm.com (d23av01.au.ibm.com [9.190.234.96]) by sd0109e.au.ibm.com (8.13.8/8.13.8/NCO v9.1) with ESMTP id mAB4rA28314034 for ; Tue, 11 Nov 2008 15:53:10 +1100 Received: from d23av01.au.ibm.com (loopback [127.0.0.1]) by d23av01.au.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id mAB4r9nX013141 for ; Tue, 11 Nov 2008 15:53:10 +1100 Message-ID: <49190FA3.3040003@linux.vnet.ibm.com> Date: Tue, 11 Nov 2008 10:22:51 +0530 From: Balbir Singh Reply-To: balbir@linux.vnet.ibm.com MIME-Version: 1.0 Subject: Re: [RFC][mm] [PATCH 2/4] Memory cgroup resource counters for hierarchy (v2) References: <20081108091009.32236.26177.sendpatchset@localhost.localdomain> <20081108091047.32236.22994.sendpatchset@localhost.localdomain> <20081111120427.bbb64a44.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: <20081111120427.bbb64a44.kamezawa.hiroyu@jp.fujitsu.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: KAMEZAWA Hiroyuki Cc: linux-mm@kvack.org, YAMAMOTO Takashi , Paul Menage , lizf@cn.fujitsu.com, linux-kernel@vger.kernel.org, Nick Piggin , David Rientjes , Pavel Emelianov , Dhaval Giani , Andrew Morton List-ID: KAMEZAWA Hiroyuki wrote: > On Sat, 08 Nov 2008 14:40:47 +0530 > Balbir Singh wrote: > >> Add support for building hierarchies in resource counters. Cgroups allows us >> to build a deep hierarchy, but we currently don't link the resource counters >> belonging to the memory controller control groups, in the same fashion >> as the corresponding cgroup entries in the cgroup hierarchy. This patch >> provides the infrastructure for resource counters that have the same hiearchy >> as their cgroup counter parts. >> >> These set of patches are based on the resource counter hiearchy patches posted >> by Pavel Emelianov. >> >> NOTE: Building hiearchies is expensive, deeper hierarchies imply charging >> the all the way up to the root. It is known that hiearchies are expensive, >> so the user needs to be careful and aware of the trade-offs before creating >> very deep ones. >> > Do you have numbers ? > I am getting those numbers, I'll post them soon. -- Balbir -- 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