dma_unmap_single_attrs  175 include/asm-generic/dma-mapping-common.h #define dma_unmap_single(d, a, s, r) dma_unmap_single_attrs(d, a, s, r, NULL)
dma_unmap_single_attrs 2152 include/rdma/ib_verbs.h 	return dma_unmap_single_attrs(dev->dma_device, addr, size,