diff --git a/include/asm-s390/ipcbuf.h b/include/asm-s390/ipcbuf.h
new file mode 100644
index 0000000..37f293d
--- /dev/null
+++ b/include/asm-s390/ipcbuf.h
@@ -0,0 +1,31 @@
+#ifndef __S390_IPCBUF_H__
+#define __S390_IPCBUF_H__
+
+/*
+ * The user_ipc_perm structure for S/390 architecture.
+ * Note extra padding because this structure is passed back and forth
+ * between kernel and user space.
+ *
+ * Pad space is left for:
+ * - 32-bit mode_t and seq
+ * - 2 miscellaneous 32-bit values
+ */
+
+struct ipc64_perm
+{
+	__kernel_key_t		key;
+	__kernel_uid32_t	uid;
+	__kernel_gid32_t	gid;
+	__kernel_uid32_t	cuid;
+	__kernel_gid32_t	cgid;
+	__kernel_mode_t		mode;
+	unsigned short		__pad1;
+	unsigned short		seq;
+#ifndef __s390x__
+	unsigned short		__pad2;
+#endif /* ! __s390x__ */
+	unsigned long		__unused1;
+	unsigned long		__unused2;
+};
+
+#endif /* __S390_IPCBUF_H__ */