linux-kernel - Re: [RFC][mm] [PATCH 2/4] Memory cgroup resource counters for hierarchy (v2)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 11 Nov 2008 10:22:51 +0530
From:	Balbir Singh <balbir@...ux.vnet.ibm.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
CC:	linux-mm@...ck.org, YAMAMOTO Takashi <yamamoto@...inux.co.jp>,
	Paul Menage <menage@...gle.com>, lizf@...fujitsu.com,
	linux-kernel@...r.kernel.org,
	Nick Piggin <nickpiggin@...oo.com.au>,
	David Rientjes <rientjes@...gle.com>,
	Pavel Emelianov <xemul@...nvz.org>,
	Dhaval Giani <dhaval@...ux.vnet.ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [RFC][mm] [PATCH 2/4] Memory cgroup resource counters for hierarchy
 (v2)

KAMEZAWA Hiroyuki wrote:
> On Sat, 08 Nov 2008 14:40:47 +0530
> Balbir Singh <balbir@...ux.vnet.ibm.com> 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 from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/