Message-ID: <44F2A94A.1020004@sw.ru>
Date: Mon, 28 Aug 2006 12:28:58 +0400
From: Kirill Korotaev <dev@sw.ru>
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To: Andi Kleen <ak@suse.de>
CC: Andrew Morton <akpm@osdl.org>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       Alan Cox <alan@lxorguk.ukuu.org.uk>,
       Christoph Hellwig <hch@infradead.org>,
       Pavel Emelianov <xemul@openvz.org>, Andrey Savochkin <saw@sw.ru>,
       devel@openvz.org, Rik van Riel <riel@redhat.com>,
       Greg KH <greg@kroah.com>, Oleg Nesterov <oleg@tv-sign.ru>,
       Matt Helsley <matthltc@us.ibm.com>, Rohit Seth <rohitseth@google.com>,
       Chandra Seetharaman <sekharan@us.ibm.com>
Subject: Re: [PATCH] BC: resource beancounters (v2)
References: <44EC31FB.2050002@sw.ru> <44EEE3BB.10303@sw.ru> <20060825073003.e6b5ae16.akpm@osdl.org> <200608251648.00033.ak@suse.de>
In-Reply-To: <200608251648.00033.ak@suse.de>
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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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