span_mask        1857 drivers/iommu/arm-smmu-v3.c 	size_t span_mask;
span_mask        1897 drivers/iommu/arm-smmu-v3.c 	span_mask	= (1ULL << log2_span) - 1;
span_mask        1899 drivers/iommu/arm-smmu-v3.c 	page_start	&= ~span_mask;