zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/include/xen/tmem.h b/ap/os/linux/linux-3.4.x/include/xen/tmem.h
new file mode 100644
index 0000000..591550a
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/include/xen/tmem.h
@@ -0,0 +1,9 @@
+#ifndef _XEN_TMEM_H
+#define _XEN_TMEM_H
+
+#include <linux/types.h>
+
+/* defined in drivers/xen/tmem.c */
+extern bool tmem_enabled;
+
+#endif /* _XEN_TMEM_H */