perf tools: Use __maybe_used for unused variables

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / tools / perf / util / include / linux / compiler.h

diff --git a/tools/perf/util/include/linux/compiler.h b/tools/perf/util/include/linux/compiler.h
index ce2367b7b3f6e72ec8260f795a72290b5117b2f7..96b919dae11c27bbbae7e14f1c6eb7cb0cd91a89 100644 (file)
--- a/tools/perf/util/include/linux/compiler.h
+++ b/tools/perf/util/include/linux/compiler.h
@@ -9,7 +9,9 @@
 #define __attribute_const__
 #endif
 
-#define __used         __attribute__((__unused__))
+#ifndef __maybe_unused
+#define __maybe_unused         __attribute__((unused))
+#endif
 #define __packed       __attribute__((__packed__))
 
 #ifndef __force