linux-kernel - [PATCH] x86/unwind: Make some variables static

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Message-Id: <20200413144727.51258-1-songmuchun@bytedance.com>
Date:   Mon, 13 Apr 2020 22:47:27 +0800
From:   Muchun Song <songmuchun@...edance.com>
To:     tglx@...utronix.de, mingo@...hat.com, bp@...en8.de, hpa@...or.com,
        x86@...nel.org, mingo@...nel.org
Cc:     peterz@...radead.org, shile.zhang@...ux.alibaba.com,
        linux-kernel@...r.kernel.org,
        Muchun Song <songmuchun@...edance.com>
Subject: [PATCH] x86/unwind: Make some variables static

The variables are local to the source and do not need to be
in global scope, so make them static.

Signed-off-by: Muchun Song <songmuchun@...edance.com>
---
 arch/x86/kernel/unwind_orc.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kernel/unwind_orc.c b/arch/x86/kernel/unwind_orc.c
index e9cc182aa97ee..0dbabc469ce2d 100644
--- a/arch/x86/kernel/unwind_orc.c
+++ b/arch/x86/kernel/unwind_orc.c
@@ -16,11 +16,11 @@ extern struct orc_entry __start_orc_unwind[];
 extern struct orc_entry __stop_orc_unwind[];
 
 static DEFINE_MUTEX(sort_mutex);
-int *cur_orc_ip_table = __start_orc_unwind_ip;
-struct orc_entry *cur_orc_table = __start_orc_unwind;
+static int *cur_orc_ip_table = __start_orc_unwind_ip;
+static struct orc_entry *cur_orc_table = __start_orc_unwind;
 
-unsigned int lookup_num_blocks;
-bool orc_init;
+static unsigned int lookup_num_blocks;
+static bool orc_init;
 
 static inline unsigned long orc_ip(const int *ip)
 {
-- 
2.11.0