diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index d7db6b2eeb52..005e83752c68 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -134,6 +134,7 @@ enum iommu_attr {
 	DOMAIN_ATTR_FAST,
 	DOMAIN_ATTR_PGTBL_INFO,
 	DOMAIN_ATTR_EARLY_MAP,
+	DOMAIN_ATTR_PAGE_TABLE_IS_COHERENT,
 	DOMAIN_ATTR_MAX,
 };