Date: Mon, 22 Jan 2007 11:15:46 -0800 (PST)
From: Christoph Lameter <clameter@sgi.com>
To: Nick Piggin <nickpiggin@yahoo.com.au>
cc: Aubrey Li <aubreylee@gmail.com>,
       Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>,
       linux-kernel@vger.kernel.org, linux-mm@kvack.org,
       Linus Torvalds <torvalds@osdl.org>, Andrew Morton <akpm@osdl.org>,
       "linux-os (Dick Johnson)" <linux-os@analogic.com>,
       Robin Getz <rgetz@blackfin.uclinux.org>,
       "Hennerich, Michael" <Michael.Hennerich@analog.com>
Subject: Re: [RPC][PATCH 2.6.20-rc5] limit total vfs page cache
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Message-ID: <Pine.LNX.4.64.0701221114060.25121@schroedinger.engr.sgi.com>
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On Sat, 20 Jan 2007, Nick Piggin wrote:

> > It doesn't reduce the amount of memory available to the system. It
> > just reduce the amount of memory available to the page cache. So that
> > page cache is limited and the reserved memory can be allocated by the
> > application.
> 
> But the patch doesn't do that, as I explained.

The patch could do it if he would be checking NR_FILE_PAGES against 
a limit instead of the free pages.

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