1 files changed, 11 insertions, 2 deletions

diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h
index a491fc9dd231..6db5522eef51 100644
--- a/include/linux/ipc_namespace.h
+++ b/include/linux/ipc_namespace.h
@@ -2,11 +2,20 @@
 #define __IPC_NAMESPACE_H__
 
 #include <linux/err.h>
+#include <linux/idr.h>
+#include <linux/rwsem.h>
+
+struct ipc_ids {
+        int in_use;
+        unsigned short seq;
+        unsigned short seq_max;
+        struct rw_semaphore rw_mutex;
+        struct idr ipcs_idr;
+};
 
-struct ipc_ids;
 struct ipc_namespace {
         struct kref     kref;
-        struct ipc_ids  *ids[3];
+        struct ipc_ids  ids[3];
 
         int             sem_ctls[4];
         int             used_sems;