lkml.org 
[lkml]   [2002]   [Jan]   [15]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
DateTue, 15 Jan 2002 14:20:17 +0100
FromGerd Knorr <>
SubjectRe: Memory problem with bttv driver
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.

  Gerd

-- 
#define	ENOCLUE 125 /* userland programmer induced race condition */
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/
\
 
 \ /
  Last update: 2005-03-22 12:23    [W:0.220 / U:0.040 seconds]
©2003-2008 Jasper Spaans