diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 2c1eb4f3aaf5ec9cbd2d85133aa7d82855262992..13fc0978ca7e77cca706e442fe474e5d97d54a4b 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -79,6 +79,14 @@ void release_thread(struct task_struct *dead_task)
 {
 }
 
+#ifdef CONFIG_64BIT
+void arch_release_task_struct(struct task_struct *tsk)
+{
+	if (tsk->thread.vxrs)
+		kfree(tsk->thread.vxrs);
+}
+#endif
+
 int copy_thread(unsigned long clone_flags, unsigned long new_stackp,
 		unsigned long arg, struct task_struct *p)
 {