first_vpfn 2672 drivers/iommu/intel-iommu.c unsigned long first_vpfn = start >> VTD_PAGE_SHIFT; first_vpfn 2675 drivers/iommu/intel-iommu.c if (!reserve_iova(&domain->iovad, dma_to_mm_pfn(first_vpfn), first_vpfn 2686 drivers/iommu/intel-iommu.c dma_pte_clear_range(domain, first_vpfn, last_vpfn); first_vpfn 2688 drivers/iommu/intel-iommu.c return __domain_mapping(domain, first_vpfn, NULL, first_vpfn 2689 drivers/iommu/intel-iommu.c first_vpfn, last_vpfn - first_vpfn + 1,