Re: vmalloc and DMA

[Alan Cox]

On Gwe, 2003-09-19 at 02:54, Stevie-O wrote:
> I need to treat a large number of pages (about 128) as continuous. 

Continuous to whom ?

> (2) Is it appropriate to vmalloc_32(512<<10) and then grab the underlying 
> addresses for DMA?
> (3) If it *is* appropriate, what's the proper way to get to those underlying 
> addresses? I saw a virt_to_page macro somewhere...

If you use the pci_alloc interfaces you'll get what you want except for
them not being fake contiguous to the kernel. You can still make them 
contiguous to user space.

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