[PATCH 1/2] perf/core: fix should it be static warnings

[Geliang Tang]

Fixes the following sparse warnings:

 kernel/events/core.c:199:6: warning: symbol
 'update_perf_cpu_limits' was not declared. Should it be static?
 kernel/events/core.c:475:6: warning: symbol 'perf_cgroup_switch'
 was not declared. Should it be static?
 kernel/events/core.c:7753:12: warning: symbol 'perf_init_event'
 was not declared. Should it be static?

Signed-off-by: Geliang Tang <geliangtang@xxxxxxx>
---
 kernel/events/core.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index f87b434..f88e4ad 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -196,7 +196,7 @@ static int perf_sample_period_ns __read_mostly	= DEFAULT_SAMPLE_PERIOD_NS;
 static int perf_sample_allowed_ns __read_mostly =
 	DEFAULT_SAMPLE_PERIOD_NS * DEFAULT_CPU_TIME_MAX_PERCENT / 100;
 
-void update_perf_cpu_limits(void)
+static void update_perf_cpu_limits(void)
 {
 	u64 tmp = perf_sample_period_ns;
 
@@ -472,7 +472,7 @@ perf_cgroup_set_timestamp(struct task_struct *task,
  * mode SWOUT : schedule out everything
  * mode SWIN : schedule in based on cgroup for next
  */
-void perf_cgroup_switch(struct task_struct *task, int mode)
+static void perf_cgroup_switch(struct task_struct *task, int mode)
 {
 	struct perf_cpu_context *cpuctx;
 	struct pmu *pmu;
@@ -7750,7 +7750,7 @@ static int perf_try_init_event(struct pmu *pmu, struct perf_event *event)
 	return ret;
 }
 
-struct pmu *perf_init_event(struct perf_event *event)
+static struct pmu *perf_init_event(struct perf_event *event)
 {
 	struct pmu *pmu = NULL;
 	int idx;
-- 
2.5.0


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