Messages in this thread | | | Date | Mon, 6 Sep 1999 17:36:30 +0200 (CEST) | From | Rik van Riel <> | Subject | Re: Problem allocating DMA memory |
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On Mon, 6 Sep 1999, Alan Cox wrote:
> > > 2.2.11/2.2.12 have a zoned allocator which seems to help massively > > > > Nice and simple, I like it (and have overlooked it until now :(). > > > > I think we should implement something at least this good in 2.3, > > maybe even with cache colouring... > > Its simple, elegant but does need optimising. If you have little ram > left but DMA ram your page allocation rate is noticably slower. On a > 20Mb box thats not ideal.
We probably want to seperate the administration of DMA and non-DMA memory so that we can easily see if we should try or not.
Rik -- The Internet is not a network of computers. It is a network of people. That is its real strength. -- work at: http://www.reseau.nl/ home at: http://www.nl.linux.org/~riel/
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