[PATCH -next] perf/core: Rename perf_proc_update_handler for readability

[Xiu Jianfeng]

Just like other sysctl handlers of perf, rename it to
perf_event_max_sample_rate_handler, minor readability improvement.

Signed-off-by: Xiu Jianfeng <xiujianfeng@xxxxxxxxxx>
---
 include/linux/perf_event.h | 2 +-
 kernel/events/core.c       | 4 ++--
 kernel/sysctl.c            | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 2166a69e3bf2..681cb44249c4 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -1556,7 +1556,7 @@ extern int sysctl_perf_cpu_time_max_percent;
 
 extern void perf_sample_event_took(u64 sample_len_ns);
 
-int perf_proc_update_handler(struct ctl_table *table, int write,
+int perf_event_max_sample_rate_handler(struct ctl_table *table, int write,
 		void *buffer, size_t *lenp, loff_t *ppos);
 int perf_cpu_time_max_percent_handler(struct ctl_table *table, int write,
 		void *buffer, size_t *lenp, loff_t *ppos);
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 6fd9272eec6e..8db4c5f6328f 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -449,8 +449,8 @@ static void update_perf_cpu_limits(void)
 
 static bool perf_rotate_context(struct perf_cpu_pmu_context *cpc);
 
-int perf_proc_update_handler(struct ctl_table *table, int write,
-		void *buffer, size_t *lenp, loff_t *ppos)
+int perf_event_max_sample_rate_handler(struct ctl_table *table, int write,
+				       void *buffer, size_t *lenp, loff_t *ppos)
 {
 	int ret;
 	int perf_cpu = sysctl_perf_cpu_time_max_percent;
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 354a2d294f52..2b6585751891 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -1983,7 +1983,7 @@ static struct ctl_table kern_table[] = {
 		.data		= &sysctl_perf_event_sample_rate,
 		.maxlen		= sizeof(sysctl_perf_event_sample_rate),
 		.mode		= 0644,
-		.proc_handler	= perf_proc_update_handler,
+		.proc_handler	= perf_event_max_sample_rate_handler,
 		.extra1		= SYSCTL_ONE,
 	},
 	{
-- 
2.34.1