rmrr_n           4539 drivers/iommu/intel-iommu.c 	struct dmar_rmrr_unit *rmrru, *rmrr_n;
rmrr_n           4542 drivers/iommu/intel-iommu.c 	list_for_each_entry_safe(rmrru, rmrr_n, &dmar_rmrr_units, list) {