DEFINE_DMA_UNMAP_ADDR  295 include/linux/dma-mapping.h #define DEFINE_DMA_UNMAP_ADDR(ADDR_NAME)        dma_addr_t ADDR_NAME
DEFINE_DMA_UNMAP_ADDR  302 include/linux/dma-mapping.h #define DEFINE_DMA_UNMAP_ADDR(ADDR_NAME)