Workaround for USB DMA bugs

[Dan Malek]

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.


	-- Dan


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