PAGES_PER_RANGE   424 arch/ia64/hp/common/sba_iommu.c #define PAGES_PER_RANGE 1	/* could increase this to 4 or 8 if needed */
PAGES_PER_RANGE   299 drivers/parisc/sba_iommu.c #define PAGES_PER_RANGE 1	/* could increase this to 4 or 8 if needed */