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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20010217184633.A2484@linuxcare.com \
--to=anton@linuxcare.com.au \
--cc=linux-kernel@vger.kernel.org \
--cc=rickr@mn.rr.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.