1 files changed, 1 insertions, 1 deletions

diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h
index e244ed412745..853bc1ccb395 100644
--- a/include/uapi/linux/perf_event.h
+++ b/include/uapi/linux/perf_event.h
@@ -788,7 +788,7 @@ union perf_mem_data_src {
 #define PERF_MEM_TLB_SHIFT      26
 
 #define PERF_MEM_S(a, s) \
-        (((u64)PERF_MEM_##a##_##s) << PERF_MEM_##a##_SHIFT)
+        (((__u64)PERF_MEM_##a##_##s) << PERF_MEM_##a##_SHIFT)
 
 /*
  * single taken branch record layout: