linux-kernel - Re: [ckrm-tech] [RFC][PATCH 5/7] UBC: kernel memory accounting (core)

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Message-ID: <44E99904.80205@sw.ru>
Date:	Mon, 21 Aug 2006 15:29:08 +0400
From:	Kirill Korotaev <dev@...ru>
To:	rohitseth@...gle.com
CC:	Rik van Riel <riel@...hat.com>, ckrm-tech@...ts.sourceforge.net,
	Dave Hansen <haveblue@...ibm.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andi Kleen <ak@...e.de>, Christoph Hellwig <hch@...radead.org>,
	Andrey Savochkin <saw@...ru>, devel@...nvz.org,
	hugh@...itas.com, Ingo Molnar <mingo@...e.hu>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Pavel Emelianov <xemul@...nvz.org>
Subject: Re: [ckrm-tech] [RFC][PATCH 5/7] UBC: kernel	memory	accounting	(core)

>>in case of anon_vma, page->mapping can be the same
>>for 2 pages beloning to different containers.
>>
> 
> 
> In your experience, have you seen processes belonging to different
> containers sharing the same anon_vma?  On a more general note, could you
> please point me to a place that has the list of requirements for which
> we are designing this solution.
> 
> 
>>>>nor is it ambiguous in any way.  It is very strict,
>>>>and very straightforward.
>>>
>>>What additional ambiguity you have when inode or task structures have
>>>the required information.
>>
>>inodes can belong to multiple containers and so do the pages.
>>
> 
> 
> I'm still thinking that inodes should belong to one container (or may be
> have it configurable based on some flag).
this is not true for OpenVZ nor Linux-VServer.

Thanks,
Kirill
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