cgroup: add missing ns_common include

Add the missing include of the ns_common header.

Acked-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>

diff --git a/include/linux/cgroup_namespace.h b/include/linux/cgroup_namespace.h
index b7dbf4d623d26b0b6afe7a8e714495a9c832481c..81ccbdee425b795890b5630ccf81a4735f13c6af 100644 (file)
--- a/include/linux/cgroup_namespace.h
+++ b/include/linux/cgroup_namespace.h
@@ -2,6 +2,8 @@
 #ifndef _LINUX_CGROUP_NAMESPACE_H
 #define _LINUX_CGROUP_NAMESPACE_H
 
+#include <linux/ns_common.h>
+
 struct cgroup_namespace {
        struct ns_common        ns;
        struct user_namespace   *user_ns;