swiotlb_unmap_sg   34 arch/x86/kernel/pci-swiotlb_64.c 	.unmap_sg = swiotlb_unmap_sg,
swiotlb_unmap_sg   36 include/asm-x86/swiotlb.h extern void swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg,