linux-kernel - Re: mmaping a kernel buffer to user space

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Date:	Tue, 31 Oct 2006 19:22:52 +0000
From:	Russell King <rmk+lkml@....linux.org.uk>
To:	Jiri Slaby <jirislaby@...il.com>
Cc:	Guillermo Marcus <marcus@...uni-mannheim.de>,
	linux-kernel@...r.kernel.org
Subject: Re: mmaping a kernel buffer to user space

On Tue, Oct 31, 2006 at 05:00:59PM +0100, Jiri Slaby wrote:
> Piece of code please. pci_alloc_consistent calls __get_free_pages, and there
> should be no problem with mmaping this area.

That is an implementation detail which is not portable to other
architectures.  Please don't encourage people to use non-portable
implementation details.

-- 
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:  2.6 Serial core
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