diff --git a/include/linux/msg.h b/include/linux/msg.h
new file mode 100644
index 0000000..9a972a2
--- /dev/null
+++ b/include/linux/msg.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_MSG_H
+#define _LINUX_MSG_H
+
+#include <linux/list.h>
+#include <uapi/linux/msg.h>
+
+/* one msg_msg structure for each message */
+struct msg_msg {
+	struct list_head m_list;
+	long m_type;
+	size_t m_ts;		/* message text size */
+	struct msg_msgseg *next;
+	void *security;
+	/* the actual message follows immediately */
+};
+
+#endif /* _LINUX_MSG_H */