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Date: Wed, 7 Mar 2001 03:40:58 -0500 (EST)
From: Alexander Viro <viro@math.psu.edu>
To: Jeremy Elson <jelson@circlemud.org>
cc: Marcelo Tosatti <marcelo@conectiva.com.br>, linux-kernel@vger.kernel.org
Subject: Re: Mapping a piece of one process' addrspace to another? 
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On Wed, 7 Mar 2001, Jeremy Elson wrote:

> Right now, my code looks something like this: (it might make more
> sense if you know that I've written a framework for writing user-space
> device drivers... I'm going to be releasing it soon, hopefully after I
> resolve this performance problem.  Or maybe before, if it's hard.)

Ugh. Why not make that a named pipe and use zerocopy stuff for pipes?
I.e. why bother with making it look like a character device rather than
a FIFO?
							Cheers,
								Al

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