IOPERM             39 arch/sparc/mm/io-unit.c #define MKIOPTE(phys) __iopte((((phys)>>4) & IOUPTE_PAGE) | IOPERM)
IOPERM            217 arch/sparc/mm/iommu.c 		iopte_val(*iopte) = MKIOPTE(pfn, IOPERM);