[PATCH tip] perf: perf_mux_hrtimer_cancel() can be static

[kbuild test robot <fengguang.wu@intel.com>]

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
---
 core.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index e7ed00b..598182d 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -773,7 +773,7 @@ static enum hrtimer_restart perf_mux_hrtimer_handler(struct hrtimer *hr)
 }
 
 /* CPU is going down */
-void perf_mux_hrtimer_cancel(int cpu)
+static void perf_mux_hrtimer_cancel(int cpu)
 {
 	struct perf_cpu_context *cpuctx;
 	struct pmu *pmu;