linux-kernel - [PATCH] rcu: make nocb_nobypass_lim_per

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Message-Id: <1614155429-64546-1-git-send-email-jiapeng.chong@linux.alibaba.com>
Date:   Wed, 24 Feb 2021 16:30:29 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     paulmck@...nel.org
Cc:     josh@...htriplett.org, rostedt@...dmis.org,
        mathieu.desnoyers@...icios.com, jiangshanlai@...il.com,
        joel@...lfernandes.org, rcu@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH] rcu: make nocb_nobypass_lim_per_jiffy static

Fix the following sparse warning:

kernel/rcu/tree_plugin.h:1497:5: warning: symbol
'nocb_nobypass_lim_per_jiffy' 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/rcu/tree_plugin.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
index 2d60377..8ff8cf8 100644
--- a/kernel/rcu/tree_plugin.h
+++ b/kernel/rcu/tree_plugin.h
@@ -1494,7 +1494,7 @@ static int __init parse_rcu_nocb_poll(char *arg)
  * After all, the main point of bypassing is to avoid lock contention
  * on ->nocb_lock, which only can happen at high call_rcu() rates.
  */
-int nocb_nobypass_lim_per_jiffy = 16 * 1000 / HZ;
+static int nocb_nobypass_lim_per_jiffy = 16 * 1000 / HZ;
 module_param(nocb_nobypass_lim_per_jiffy, int, 0);
 
 /*
-- 
1.8.3.1