Messages in this thread |  | | Date | Sun, 16 Sep 2001 10:03:25 +0200 | From | Jens Axboe <> | Subject | Re: 0-order allocation failed in 2.4.10-pre8 |
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On Sun, Sep 16 2001, Daniel Phillips wrote: > > Use the > > > > *.kernel.org/pub/linux/kernel/people/axboe/patches/2.4.9/block-highmem-all > > > > patch and you can use highmem without having to worry about failed > > 0-order bounce pages allocations. > > Right, by using 64 bit DMA instead of bounce buffers. But aren't there cases > where the 64 bit capable hardware isn't there but somebody still wants to use > highmem?
Yes of course. The common case is not 64-bit dma here though, it's just being able to DMA to highmem pages (just full 32-bit dma instead of low memory dma). And that should cover most systems out there.
-- Jens Axboe
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