From: Andrew Morton <akpm@linux-foundation.org>

kernel/futex_compat.c:119: error: dereferencing pointer to incomplete type

Cc: Alexey Dobriyan <adobriyan@openvz.org>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Pavel Emelyanov <xemul@openvz.org>
Cc: Sukadev Bhattiprolu <sukadev@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

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

diff -puN kernel/futex_compat.c~pid-namespaces-changes-to-show-virtual-ids-to-user-use-find_task_by_pid_ns-in-places-that-operate-with-virtual-fix-3 kernel/futex_compat.c
--- a/kernel/futex_compat.c~pid-namespaces-changes-to-show-virtual-ids-to-user-use-find_task_by_pid_ns-in-places-that-operate-with-virtual-fix-3
+++ a/kernel/futex_compat.c
@@ -8,6 +8,7 @@
 
 #include <linux/linkage.h>
 #include <linux/compat.h>
+#include <linux/nsproxy.h>
 #include <linux/futex.h>
 
 #include <asm/uaccess.h>
_