pgd_bits          746 drivers/iommu/io-pgtable-arm.c 	unsigned long va_bits, pgd_bits;
pgd_bits          776 drivers/iommu/io-pgtable-arm.c 	pgd_bits = va_bits - (data->bits_per_level * (data->levels - 1));
pgd_bits          777 drivers/iommu/io-pgtable-arm.c 	data->pgd_size = 1UL << (pgd_bits + ilog2(sizeof(arm_lpae_iopte)));