linux-kernel - [tip: core/rcu] rcu: Make nocb_nobypass_lim_per

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Date:   Sun, 11 Apr 2021 13:43:26 -0000
From:   "tip-bot2 for Jiapeng Chong" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Abaci Robot <abaci@...ux.alibaba.com>,
        Frederic Weisbecker <frederic@...nel.org>,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
        "Paul E. McKenney" <paulmck@...nel.org>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: core/rcu] rcu: Make nocb_nobypass_lim_per_jiffy static

The following commit has been merged into the core/rcu branch of tip:

Commit-ID:     9640dcab974fb7fba086d30fd9f0ec08b8876d12
Gitweb:        https://git.kernel.org/tip/9640dcab974fb7fba086d30fd9f0ec08b8876d12
Author:        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
AuthorDate:    Wed, 24 Feb 2021 16:30:29 +08:00
Committer:     Paul E. McKenney <paulmck@...nel.org>
CommitterDate: Mon, 15 Mar 2021 13:54:42 -07:00

rcu: Make nocb_nobypass_lim_per_jiffy static

RCU triggerse 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?

This commit therefore makes this variable static.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Reported-by: Frederic Weisbecker <frederic@...nel.org>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
---
 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 93d3938..a1a17ad 100644
--- a/kernel/rcu/tree_plugin.h
+++ b/kernel/rcu/tree_plugin.h
@@ -1556,7 +1556,7 @@ early_param("rcu_nocb_poll", parse_rcu_nocb_poll);
  * 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);
 
 /*