Workaround for USB DMA bugs
dan at embeddededge.com
Thu Apr 4 16:16:46 EST 2002
Jeremy Rosen wrote:
> can't we use the __GFP_DMA flag to specify that the area must have
> algnment enforced ?
Maybe, but that isn't its intended use.
> or did I misunderstand the use of this flag ?
This flag is used on architectures that have memory only accessible
from the processor, not from a DMA device, to ensure a DMA device
gets a memory bank that it can access.
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