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Subject: Re: File BlockSize
To: riel@conectiva.com.br (Rik van Riel)
Date: Tue, 12 Feb 2002 22:25:48 +0000 (GMT)
Cc: wli@holomorphy.com (William Lee Irwin III),
        alan@lxorguk.ukuu.org.uk (Alan Cox), linux-kernel@vger.kernel.org
In-Reply-To: <Pine.LNX.4.33L.0202121959260.12554-100000@imladris.surriel.com> from "Rik van Riel" at Feb 12, 2002 08:00:41 PM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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> > This sounds like fairly severe memory fragmentation, which seems more
> > worrisome to me than blocksize constraints. Should I look into that?
> 
> Sorry for being dense, but I don't see why an 8 kB block would
> need to occupy 2 contiguous pages in ram.

Because all the kernel code knows that you can add a constant to the
base of a buffer to get anywhere in that block. Also the one buffer
per two page case isnt handled either


Alan
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