Re: [RFC PATCH] arm: dma-mapping: fallback allocation for cma failure

From: Joonsoo Kim
Date: Tue May 20 2014 - 04:29:43 EST


On Tue, May 20, 2014 at 04:05:52PM +0900, Gioh Kim wrote:
> That case, device-specific coherent memory allocation, is handled at dma_alloc_coherent in arm_dma_alloc.
> __dma_alloc handles only general coherent memory allocation.
>
> I'm sorry missing mention about it.
>

Hello,

AFAIK, *coherent* memory allocation is different with *contiguous* memory
allocation(CMA). So we need to handle the case I mentioned.

Thanks.
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