IOAT_DESC_SZ 337 drivers/dma/ioat/dma.c offs = idx * IOAT_DESC_SZ; IOAT_DESC_SZ 373 drivers/dma/ioat/dma.c ioat_chan->desc_chunks = chunks = (total_descs * IOAT_DESC_SZ) / SZ_2M;