Re: Alpha: virt_to_bus/GFP_DMA problem

Alan Cox (alan@lxorguk.ukuu.org.uk)
Fri, 10 Dec 1999 18:47:48 +0000 (GMT)

> 1) Zones for ISA DMA, 32-bit PCI DMA, 64-bit PCI DMA. If we're going to
> support all the broken PCI cards we also need zones for 24, 30, and 31
> bit PCI DMA. This is ugly, but so are the cards that need it. (I have a

Its probably not worth the effort. Right now we are doing fine using the ISA
zone for 64Mb limited cards for example. It isnt like we need to allocate
very large amounts of such memory (except 32bit DMA) just that we need
to be able to succeed in the allocation

Alan

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