diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index c1071268c912..1e52b741d806 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -56,6 +56,7 @@ CONFIG_NET_9P=y
 CONFIG_NET_9P_VIRTIO=y
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_DMA_CMA=y
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_VIRTIO_BLK=y