linux-kernel - Re: unified page and buffer cache?

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Message-ID: <1273279853.2444.3.camel@faldara>
Date:	Fri, 07 May 2010 20:50:53 -0400
From:	Phillip Susi <psusi@....rr.com>
To:	Matthew Wilcox <matthew@....cx>
Cc:	linux-fsdevel@...r.kernel.org,
	Linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: unified page and buffer cache?

On Fri, 2010-05-07 at 12:30 -0600, Matthew Wilcox wrote:
> That would be possible, but would waste memory space.  But we've all
> got gigabytes of ram these days, maybe nobody cares.

Why would it waste memory space?  Either way it's in some memory mapping
somewhere.  It's just a matter of what file it is associated with?  The
inode of the directory, or the underlying block device?



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