1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/pid_namespace.h b/include/linux/pid_namespace.h
index aea13ec31aba..14376ebf4bac 100644
--- a/include/linux/pid_namespace.h
+++ b/include/linux/pid_namespace.h
@@ -21,6 +21,8 @@ struct pid_namespace {
         int last_pid;
         struct task_struct *child_reaper;
         struct kmem_cache *pid_cachep;
+        int level;
+        struct pid_namespace *parent;
 };
 
 extern struct pid_namespace init_pid_ns;