Messages in this thread | | | Date | Tue, 15 Jan 2002 14:20:17 +0100 | From | Gerd Knorr <> | Subject | Re: Memory problem with bttv driver |
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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
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