diff --git a/protobuf/Makefile b/protobuf/Makefile
index e23d9c99a..7f6485b75 100644
--- a/protobuf/Makefile
+++ b/protobuf/Makefile
@@ -36,6 +36,7 @@ proto-obj-y	+= mnt.o
 proto-obj-y	+= pipe-data.o
 proto-obj-y	+= sa.o
 proto-obj-y	+= timer.o
+proto-obj-y	+= timerfd.o
 proto-obj-y	+= mm.o
 proto-obj-y	+= sk-opts.o
 proto-obj-y	+= sk-unix.o
diff --git a/protobuf/timerfd.proto b/protobuf/timerfd.proto
new file mode 100644
index 000000000..b2799520d
--- /dev/null
+++ b/protobuf/timerfd.proto
@@ -0,0 +1,16 @@
+import "fown.proto";
+
+message timerfd_entry {
+	required uint32		id		= 1;
+	required uint32		flags		= 2;
+	required fown_entry	fown		= 3;
+
+	required uint32		clockid		= 4;
+	required uint64		ticks		= 5;
+	required uint32		settime_flags	= 6;
+
+	required uint64		vsec		= 7;
+	required uint64		vnsec		= 8;
+	required uint64		isec		= 9;
+	required uint64		insec		= 10;
+}