VTD_PAGE_MASK      10 include/linux/dma_remapping.h #define VTD_PAGE_ALIGN(addr)	(((addr) + VTD_PAGE_SIZE - 1) & VTD_PAGE_MASK)
VTD_PAGE_MASK     254 include/linux/intel-iommu.h #define QI_IOTLB_ADDR(addr)	(((u64)addr) & VTD_PAGE_MASK)
VTD_PAGE_MASK     265 include/linux/intel-iommu.h #define QI_DEV_IOTLB_ADDR(addr)	((u64)(addr) & VTD_PAGE_MASK)