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由 Christoph Hellwig 提交于
The only difference is that pcxl supports dma coherent allocations, while pcx only supports non-consistent allocations and otherwise fails. But dma_alloc* is not in the fast path, and merging these two allows an easy migration path to the generic dma-noncoherent implementation, so do it. Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NHelge Deller <deller@gmx.de>
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