From: Kirill Korotaev <dev@sw.ru>
To: Martin Bligh <mbligh@mbligh.org>
Cc: vatsa@in.ibm.com, Alan Cox <alan@lxorguk.ukuu.org.uk>,
Andrew Morton <akpm@osdl.org>,
mingo@elte.hu, nickpiggin@yahoo.com.au, sam@vilain.net,
linux-kernel@vger.kernel.org, dev@openvz.org, efault@gmx.de,
balbir@in.ibm.com, sekharan@us.ibm.com, nagar@watson.ibm.com,
haveblue@us.ibm.com, pj@sgi.com
Subject: Re: [RFC, PATCH 0/5] Going forward with Resource Management - A cpu controller
Date: Mon, 07 Aug 2006 11:25:46 +0400 [thread overview]
Message-ID: <44D6EAFA.8080607@sw.ru> (raw)
In-Reply-To: <44D388DF.8010406@mbligh.org>
>> OpenVZ assumes that tasks can't move between task-groups for a single
>> reason:
>> user shouldn't be able to escape from the container.
>> But this have no implication on the design/implementation.
>
>
> It does, for the memory controller at least. Things like shared
> anon_vma's between tasks across containers make it somewhat harder.
> It's much worse if you allow threads to split across containers.
we already have the code to account page fractions shared between containers.
Though, it is quite useless to do so for threads... Since this numbers have no meaning (not a real usage)
and only the sum of it will be a correct value.
>> BTW, do you see any practical use cases for tasks jumping between
>> resource-containers?
>
>
next prev parent reply other threads:[~2006-08-07 7:24 UTC|newest]
Thread overview: 78+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-04 5:07 [RFC, PATCH 0/5] Going forward with Resource Management - A cpu controller Srivatsa Vaddagiri
2006-08-04 5:09 ` [ RFC, PATCH 1/5 ] CPU controller - base changes Srivatsa Vaddagiri
2006-08-04 7:35 ` Andrew Morton
2006-08-04 11:18 ` Srivatsa Vaddagiri
2006-08-04 14:34 ` Kirill Korotaev
2006-08-04 14:50 ` Balbir Singh
2006-08-04 14:51 ` Srivatsa Vaddagiri
2006-08-04 5:10 ` [ RFC, PATCH 2/5 ] CPU controller - Define group operations Srivatsa Vaddagiri
2006-08-04 23:10 ` Jiri Slaby
2006-08-04 5:11 ` [ RFC, PATCH 3/5 ] CPU controller - deal with movement of tasks Srivatsa Vaddagiri
2006-08-04 5:12 ` [ RFC, PATCH 4/5 ] CPU controller - deal with dont care groups Srivatsa Vaddagiri
2006-08-04 5:13 ` [ RFC, PATCH 5/5 ] CPU controller - interface with cpusets Srivatsa Vaddagiri
2006-08-04 5:36 ` [RFC, PATCH 0/5] Going forward with Resource Management - A cpu controller Andrew Morton
2006-08-04 5:42 ` Andrew Morton
2006-08-04 9:49 ` Alan Cox
2006-08-04 11:41 ` Srivatsa Vaddagiri
2006-08-04 14:51 ` Kirill Korotaev
2006-08-04 15:31 ` Srivatsa Vaddagiri
2006-08-04 16:03 ` Kirill Korotaev
2006-08-04 17:02 ` [ProbableSpam] " Shailabh Nagar
2006-08-04 18:27 ` Rohit Seth
2006-08-04 19:11 ` Shailabh Nagar
2006-08-04 19:24 ` Rohit Seth
2006-08-07 7:19 ` Kirill Korotaev
2006-08-07 17:14 ` Rohit Seth
2006-08-08 7:17 ` Kirill Korotaev
2006-08-08 17:16 ` Rohit Seth
2006-08-04 17:50 ` Martin Bligh
2006-08-07 7:25 ` Kirill Korotaev [this message]
2006-08-07 14:34 ` Martin J. Bligh
2006-08-07 16:33 ` Kirill Korotaev
2006-08-07 18:31 ` Rohit Seth
2006-08-07 18:43 ` Dave Hansen
2006-08-07 19:00 ` Rohit Seth
2006-08-07 19:46 ` Martin Bligh
2006-08-08 14:19 ` memory resource accounting (was Re: [RFC, PATCH 0/5] Going forward with Resource Management - A cpu controller) Nick Piggin
2006-08-08 14:57 ` Dave Hansen
2006-08-08 15:22 ` Nick Piggin
2006-08-09 13:43 ` Kirill Korotaev
2006-08-08 17:08 ` Martin Bligh
2006-08-09 1:54 ` Nick Piggin
2006-08-08 17:34 ` Rohit Seth
2006-08-09 4:33 ` Andi Kleen
2006-08-09 6:00 ` Magnus Damm
2006-08-09 6:06 ` Andi Kleen
2006-08-09 6:56 ` Andrey Savochkin
2006-08-08 7:19 ` [RFC, PATCH 0/5] Going forward with Resource Management - A cpu controller Kirill Korotaev
2006-08-04 16:16 ` Kirill Korotaev
2006-08-04 16:49 ` [ProbableSpam] " Shailabh Nagar
2006-08-04 17:03 ` Dipankar Sarma
2006-08-04 18:17 ` Shailabh Nagar
2006-08-07 7:23 ` Kirill Korotaev
2006-08-04 14:57 ` Kirill Korotaev
2006-08-04 5:58 ` Paul Jackson
2006-08-04 6:02 ` Paul Jackson
2006-08-04 6:16 ` Paul Jackson
2006-08-04 6:20 ` Dipankar Sarma
2006-08-04 6:31 ` Paul Jackson
2006-08-04 6:37 ` Dipankar Sarma
2006-08-04 6:49 ` Andrew Morton
2006-08-04 6:45 ` Andrew Morton
2006-08-04 7:10 ` Dipankar Sarma
2006-08-04 7:24 ` Andrew Morton
2006-08-04 19:10 ` Chandra Seetharaman
2006-08-04 6:56 ` Srivatsa Vaddagiri
2006-08-04 7:13 ` Andrew Morton
2006-08-04 11:16 ` Srivatsa Vaddagiri
2006-08-04 18:51 ` Andrew Morton
2006-08-04 14:20 ` Kirill Korotaev
2006-08-04 14:35 ` Christoph Hellwig
2006-08-04 15:29 ` [ProbableSpam] " Shailabh Nagar
2006-08-07 7:29 ` Kirill Korotaev
2006-08-07 9:30 ` Paul Jackson
2006-08-07 15:58 ` Chandra Seetharaman
2006-08-07 16:10 ` Kirill Korotaev
2006-08-07 17:15 ` Paul Jackson
2006-08-07 18:19 ` Rohit Seth
2006-08-05 3:30 ` Nick Piggin
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