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-rw-r--r--tools/perf/perf.h2
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); \