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From: Anton Blanchard <anton@linuxcare.com.au>
Date: Sat, 17 Feb 2001 18:46:34 +1100
To: Rick Richardson <rickr@mn.rr.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Whats the rvmalloc() story?
Message-ID: <20010217184633.A2484@linuxcare.com>
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> I note that at least 5 device drivers have similar implementations
> of rvmalloc()/rvfree() et al:
> 
> 	ieee1394/video1394.c
> 	usb/ibmcam.c
> 	usb/ov511.c
> 	media/video/bttv-driver.c
> 	media/video/cpia.c
> 
> rvmalloc()/rvfree() are functions that are used to allocate large
> amounts of physically non-contiguous kernel virtual memory that will
> then be mmap()'ed into a user process.

I had to rewrite rvmalloc and friends in the bttv driver to support the
new pci dynamic mapping interface. This sounds like a good time to clean
up all these multiple definitions.

Anton
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