Re: struct page to 36 (or 64) bit bus address?

From: Jens Axboe (axboe@suse.de)
Date: Sat Aug 11 2001 - 10:32:20 EST

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On Fri, Aug 10 2001, David S. Miller wrote:
>
> I'm using the patch below (pulled out of Jens Axboe's bio
> patches, i386 only).
>
> Are you sure you aren't missing anything in this patch? For example,
> one can't use the patch you've provided for 64-bit DMA unless the
> dma_addr_t type is made larger.

The dma_addr_high_t was dumped along with pci_map_page_high etc, on your
request in fact :-). So all that is there currently is highmem capable
32-bit DMA stuff.

-- Jens Axboe

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