linux-kernel - Re: [PATCH] BC: resource beancounters (v2)

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Message-ID: <44F2A94A.1020004@sw.ru>
Date:	Mon, 28 Aug 2006 12:28:58 +0400
From:	Kirill Korotaev <dev@...ru>
To:	Andi Kleen <ak@...e.de>
CC:	Andrew Morton <akpm@...l.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Christoph Hellwig <hch@...radead.org>,
	Pavel Emelianov <xemul@...nvz.org>,
	Andrey Savochkin <saw@...ru>, devel@...nvz.org,
	Rik van Riel <riel@...hat.com>, Greg KH <greg@...ah.com>,
	Oleg Nesterov <oleg@...sign.ru>,
	Matt Helsley <matthltc@...ibm.com>,
	Rohit Seth <rohitseth@...gle.com>,
	Chandra Seetharaman <sekharan@...ibm.com>
Subject: Re: [PATCH] BC: resource beancounters (v2)

Andi Kleen wrote:
>>D) Virtual scan of mm's in the over-limit container
>>
>>E) Modify existing physical scanner to be able to skip pages which
>>   belong to not-over-limit containers.
> 
> 
> The same applies to dentries/inodes too, doesn't it? But their
> scan is already virtual so their LRUs could be just split into
> a per container list (but then didn't Christoph L. plan to 
> rewrite that code anyways?)
how do you propose to handle shared files in this case?

> For memory my guess would be that (E) would be easier than (D) for user/file
> memory though less efficient.

Kirill

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