diff --git a/[refs] b/[refs]
index e8f044a9d953..cff514a1656c 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 86d8d29634de4464d568e7c335c0da6cba64e8ab
+refs/heads/master: 18e97e06b5fb2d7f6cf272ca07d26d8247db8723
diff --git a/trunk/tools/perf/Makefile b/trunk/tools/perf/Makefile
index 9b173e66fb41..b2bce1fb4ae1 100644
--- a/trunk/tools/perf/Makefile
+++ b/trunk/tools/perf/Makefile
@@ -333,6 +333,7 @@ LIB_FILE=libperf.a
 LIB_H += ../../include/linux/perf_event.h
 LIB_H += ../../include/linux/rbtree.h
 LIB_H += ../../include/linux/list.h
+LIB_H += ../../include/linux/hash.h
 LIB_H += ../../include/linux/stringify.h
 LIB_H += util/include/linux/bitmap.h
 LIB_H += util/include/linux/bitops.h
diff --git a/trunk/tools/perf/util/include/linux/hash.h b/trunk/tools/perf/util/include/linux/hash.h
new file mode 100644
index 000000000000..201f57397997
--- /dev/null
+++ b/trunk/tools/perf/util/include/linux/hash.h
@@ -0,0 +1,5 @@
+#include "../../../../include/linux/hash.h"
+
+#ifndef PERF_HASH_H
+#define PERF_HASH_H
+#endif