From: Stephan von Krawczynski <skraw@ithnet.com>
To: Gerd Knorr <kraxel@bytesex.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Memory problem with bttv driver
Date: Tue, 15 Jan 2002 14:46:52 +0100 [thread overview]
Message-ID: <20020115144652.46d9ee18.skraw@ithnet.com> (raw)
In-Reply-To: <20020115142017.D8191@bytesex.org>
In-Reply-To: <20020114210039.180c0438.skraw@ithnet.com> <E16QETz-0002yD-00@the-village.bc.nu> <20020115004205.A12407@werewolf.able.es> <slrna480cv.68d.kraxel@bytesex.org> <20020115121424.10bb89b2.skraw@ithnet.com> <20020115142017.D8191@bytesex.org>
On Tue, 15 Jan 2002 14:20:17 +0100
Gerd Knorr <kraxel@bytesex.org> wrote:
> On Tue, Jan 15, 2002 at 12:14:24PM +0100, Stephan von Krawczynski wrote:
> > On 15 Jan 2002 10:17:03 GMT
> > Gerd Knorr <kraxel@bytesex.org> wrote:
> >
> > > MM wise it shouldn't make a difference whenever you are using 0.7.83 or
> > > 0.7.88 (I've mailed 0.7.88 patches to macelo for 2.4.18 btw). The 0.8.x
> > > versions have a complete different way to do the memory management.
> >
> > No vmallocs?
>
> Yes. Instead of remapping vmalloced kernel memory it gives you shared
> anonymous pages, then does zerocopy DMA using kiobufs. You may run in
> trouble with >4GB machines.
Interesting.
What's the problem on > 4GB ?
Regards,
Stephan
next prev parent reply other threads:[~2002-01-15 13:47 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-14 17:12 Memory problem with bttv driver Stephan von Krawczynski
2002-01-14 17:40 ` Alan Cox
2002-01-14 17:43 ` Stephan von Krawczynski
2002-01-14 17:56 ` Alan Cox
2002-01-14 18:38 ` Stephan von Krawczynski
2002-01-14 19:48 ` Stephan von Krawczynski
2002-01-14 20:03 ` Alan Cox
2002-01-14 20:00 ` Stephan von Krawczynski
2002-01-14 21:17 ` Alan Cox
2002-01-14 23:42 ` J.A. Magallon
2002-01-15 10:17 ` Gerd Knorr
2002-01-15 11:14 ` Stephan von Krawczynski
2002-01-15 13:20 ` Gerd Knorr
2002-01-15 13:46 ` Stephan von Krawczynski [this message]
2002-01-15 15:16 ` Gerd Knorr
2002-01-15 16:35 ` Stephan von Krawczynski
2002-01-16 9:57 ` Gerd Knorr
2002-01-16 17:24 ` Stephan von Krawczynski
[not found] <Pine.LNX.4.21.0201142245040.2118-100000@localhost.localdomain>
2002-01-15 1:55 ` Stephan von Krawczynski
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