diff --git a/include/linux/time_namespace.h b/include/linux/time_namespace.h
index 04a2ba8..824d54e 100644
--- a/include/linux/time_namespace.h
+++ b/include/linux/time_namespace.h
@@ -52,6 +52,16 @@ static inline void put_time_ns(struct time_namespace *ns)
 	kref_put(&ns->kref, free_time_ns);
 }
 
+void proc_timens_show_offsets(struct task_struct *p, struct seq_file *m);
+
+struct proc_timens_offset {
+	int			clockid;
+	struct timespec64	val;
+};
+
+int proc_timens_set_offset(struct file *file, struct task_struct *p,
+			   struct proc_timens_offset *offsets, int n);
+
 static inline void timens_add_monotonic(struct timespec64 *ts)
 {
 	struct timens_offsets *ns_offsets = &current->nsproxy->time_ns->offsets;