GART_PAGE_SHIFT    30 drivers/iommu/tegra-gart.c #define GART_PAGE_SIZE		(1 << GART_PAGE_SHIFT)
GART_PAGE_SHIFT    31 drivers/iommu/tegra-gart.c #define GART_PAGE_MASK		GENMASK(30, GART_PAGE_SHIFT)
GART_PAGE_SHIFT   337 drivers/iommu/tegra-gart.c 	BUILD_BUG_ON(PAGE_SHIFT != GART_PAGE_SHIFT);