linux-kernel - [PATCH] sched/core: Make sched_dynamic

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Message-Id: <016987c1ec4649b74973a000e81c35e48ba6072e.1681277194.git.jpoimboe@kernel.org>
Date:   Tue, 11 Apr 2023 22:26:41 -0700
From:   Josh Poimboeuf <jpoimboe@...nel.org>
To:     x86@...nel.org
Cc:     linux-kernel@...r.kernel.org,
        Peter Zijlstra <peterz@...radead.org>,
        Petr Mladek <pmladek@...e.com>,
        kernel test robot <lkp@...el.com>
Subject: [PATCH] sched/core: Make sched_dynamic_mutex static

The sched_dynamic_mutex is only used within the file.  Make it static.

Fixes: e3ff7c609f39 ("livepatch,sched: Add livepatch task switching to cond_resched()")
Reported-by: kernel test robot <lkp@...el.com>
Link: https://lore.kernel.org/oe-kbuild-all/202304062335.tNuUjgsl-lkp@intel.com/
Signed-off-by: Josh Poimboeuf <jpoimboe@...nel.org>
---
 kernel/sched/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index b9616f153946..d861db8aa7ab 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -8674,7 +8674,7 @@ int sched_dynamic_mode(const char *str)
 #error "Unsupported PREEMPT_DYNAMIC mechanism"
 #endif
 
-DEFINE_MUTEX(sched_dynamic_mutex);
+static DEFINE_MUTEX(sched_dynamic_mutex);
 static bool klp_override;
 
 static void __sched_dynamic_update(int mode)
-- 
2.39.2