+#ifndef _VX_NAMESPACE_H
+#define _VX_NAMESPACE_H
+
+#include <linux/types.h>
+
+struct vx_info;
+struct namespace;
+struct fs_struct;
+
+extern int vx_set_namespace(struct vx_info *, struct namespace *, struct fs_struct *);
+
+#else /* _VX_NAMESPACE_H */
+#warning duplicate inclusion
+#endif /* _VX_NAMESPACE_H */