diff --git a/arch/s390/kernel/vdso.c b/arch/s390/kernel/vdso.c
index 0d58269ff425..59eddb0e1a3e 100644
--- a/arch/s390/kernel/vdso.c
+++ b/arch/s390/kernel/vdso.c
@@ -299,7 +299,7 @@ static int __init vdso_init(void)
 
 	get_page(virt_to_page(vdso_data));
 
-	smp_wmb();
+	smp_mb();
 
 	return 0;
 }