diff --git a/arch/arm64/configs/openeuler_defconfig b/arch/arm64/configs/openeuler_defconfig
index 730078e475d386caeb1c2501ac1c54d108cf8970..2e4880c485be355fce9e12f5191393eecc8e479f 100644
--- a/arch/arm64/configs/openeuler_defconfig
+++ b/arch/arm64/configs/openeuler_defconfig
@@ -5947,6 +5947,7 @@ CONFIG_ARM_SMMU_V3_PM=y
 # CONFIG_QCOM_IOMMU is not set
 # CONFIG_VIRTIO_IOMMU is not set
 CONFIG_SMMU_BYPASS_DEV=y
+CONFIG_IOVA_MAX_GLOBAL_MAGS=128
 
 #
 # Remoteproc drivers