pte_pgsize 3143 drivers/iommu/amd_iommu.c unsigned long offset_mask, pte_pgsize; pte_pgsize 3149 drivers/iommu/amd_iommu.c pte = fetch_pte(domain, iova, &pte_pgsize); pte_pgsize 3154 drivers/iommu/amd_iommu.c offset_mask = pte_pgsize - 1;