diff --git a/kernel/pid.c b/kernel/pid.c
index 939746f..a32859c 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -443,6 +443,12 @@
 	return nr;
 }
 
+pid_t pid_vnr(struct pid *pid)
+{
+	return pid_nr_ns(pid, current->nsproxy->pid_ns);
+}
+EXPORT_SYMBOL_GPL(pid_vnr);
+
 pid_t task_pid_nr_ns(struct task_struct *tsk, struct pid_namespace *ns)
 {
 	return pid_nr_ns(task_pid(tsk), ns);