1 files changed, 2 insertions, 0 deletions

diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index ce394192c85a..27887c916439 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -52,6 +52,8 @@ static inline unsigned long long rdclock(void)
 #define __user
 #define asmlinkage
 
+#define __used          __attribute__((__unused__))
+
 #define unlikely(x)     __builtin_expect(!!(x), 0)
 #define min(x, y) ({                            \
         typeof(x) _min1 = (x);                  \