linux-kernel - [PATCH] trace/osnoise: make timerlat_min_period and timerlat_max

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Message-Id: <1629452970-77067-1-git-send-email-jiapeng.chong@linux.alibaba.com>
Date:   Fri, 20 Aug 2021 17:49:30 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     rostedt@...dmis.org
Cc:     mingo@...hat.com, linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH] trace/osnoise: make timerlat_min_period and timerlat_max_period static

This symbol is not used outside of trace_osnoise.c, so marks
it static.

Fix the following sparse warning:

kernel/trace/trace_osnoise.c:1821:5: warning: symbol
'timerlat_min_period' was not declared. Should it be static?

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 kernel/trace/trace_osnoise.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/trace/trace_osnoise.c b/kernel/trace/trace_osnoise.c
index b61eefe..004cb3c 100644
--- a/kernel/trace/trace_osnoise.c
+++ b/kernel/trace/trace_osnoise.c
@@ -1818,8 +1818,8 @@ static void osnoise_init_hotplug_support(void)
 /*
  * osnoise/timerlat_period: min 100 us, max 1 s
  */
-u64 timerlat_min_period = 100;
-u64 timerlat_max_period = 1000000;
+static u64 timerlat_min_period = 100;
+static u64 timerlat_max_period = 1000000;
 static struct trace_min_max_param timerlat_period = {
 	.lock	= &interface_lock,
 	.val	= &osnoise_data.timerlat_period,
-- 
1.8.3.1