From: Anton Blanchard <anton@linuxcare.com.au>
To: Rick Richardson <rickr@mn.rr.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Whats the rvmalloc() story?
Date: Sat, 17 Feb 2001 18:46:34 +1100 [thread overview]
Message-ID: <20010217184633.A2484@linuxcare.com> (raw)
In-Reply-To: <20010210220808.A18488@mn.rr.com>
In-Reply-To: <20010210220808.A18488@mn.rr.com>; from rickr@mn.rr.com on Sat, Feb 10, 2001 at 10:08:08PM -0600
> 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
next prev parent reply other threads:[~2001-02-17 7:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-02-11 4:08 Whats the rvmalloc() story? Rick Richardson
2001-02-17 7:46 ` Anton Blanchard [this message]
2001-02-17 8:49 ` Rick Richardson
2001-02-17 9:01 ` Anton Blanchard
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