Messages in this thread | | | Subject | Re: Problem allocating DMA memory | Date | Mon, 6 Sep 1999 17:11:26 +0100 (BST) | From | Alan Cox <> |
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> This patch allows you to turn it off if you have few RAMs or your arch > doesn't care. I turn it off on my alpha. It seems to work ok.
I saw the patch. It doesnt address the performance issue
> You can also do something clever to check the ratio of DMA and none DMA > memories. If it is above certain threshold, don't preserve DMA.
That doesn't work - tried it 8).
Alan
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