1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/pid_namespace.h b/include/linux/pid_namespace.h
index ddb9a4c95968..c471c0c6e9ce 100644
--- a/include/linux/pid_namespace.h
+++ b/include/linux/pid_namespace.h
@@ -20,6 +20,7 @@ struct pid_namespace {
         struct pidmap pidmap[PIDMAP_ENTRIES];
         int last_pid;
         struct task_struct *child_reaper;
+        struct kmem_cache *pid_cachep;
 };
 
 extern struct pid_namespace init_pid_ns;