From: Adrian Bunk <bunk@kernel.org>

Every file should include the headers containing the externs its global
functions (in this case for ns_cgroup_clone()).

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 kernel/ns_cgroup.c |    1 +
 1 file changed, 1 insertion(+)

diff -puN kernel/ns_cgroup.c~cgroups-kernel-ns_cgroupc-should-include-linux-nsproxyh kernel/ns_cgroup.c
--- a/kernel/ns_cgroup.c~cgroups-kernel-ns_cgroupc-should-include-linux-nsproxyh
+++ a/kernel/ns_cgroup.c
@@ -7,6 +7,7 @@
 #include <linux/module.h>
 #include <linux/cgroup.h>
 #include <linux/fs.h>
+#include <linux/nsproxy.h>
 
 struct ns_cgroup {
 	struct cgroup_subsys_state css;
_