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-rw-r--r--include/linux/time_namespace.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/time_namespace.h b/include/linux/time_namespace.h
index 7f6af7a9771e..a47a4ce4183e 100644
--- a/include/linux/time_namespace.h
+++ b/include/linux/time_namespace.h
@@ -33,6 +33,10 @@ struct time_namespace {
extern struct time_namespace init_time_ns;
#ifdef CONFIG_TIME_NS
+static inline struct time_namespace *to_time_ns(struct ns_common *ns)
+{
+ return container_of(ns, struct time_namespace, ns);
+}
void __init time_ns_init(void);
extern int vdso_join_timens(struct task_struct *task,
struct time_namespace *ns);