linux-kernel - [PATCH] sched/core: make sched_domain

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Date:	Tue, 22 Sep 2015 12:48:59 +0200
From:	Juergen Gross <jgross@...e.com>
To:	mingo@...hat.com, peterz@...radead.org,
	linux-kernel@...r.kernel.org
Cc:	Juergen Gross <jgross@...e.com>
Subject: [PATCH] sched/core: make sched_domain_topology declaration static

sched_domain_topology is only used within kernel/sched/core.c. Make it
static.

Signed-off-by: Juergen Gross <jgross@...e.com>
---
 include/linux/sched.h | 2 --
 kernel/sched/core.c   | 3 ++-
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/include/linux/sched.h b/include/linux/sched.h
index a4ab9da..32eb32a 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1127,8 +1127,6 @@ struct sched_domain_topology_level {
 #endif
 };
 
-extern struct sched_domain_topology_level *sched_domain_topology;
-
 extern void set_sched_topology(struct sched_domain_topology_level *tl);
 extern void wake_up_if_idle(int cpu);
 
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 2f9c928..188858d 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -6461,7 +6461,8 @@ static struct sched_domain_topology_level default_topology[] = {
 	{ NULL, },
 };
 
-struct sched_domain_topology_level *sched_domain_topology = default_topology;
+static struct sched_domain_topology_level *sched_domain_topology =
+	default_topology;
 
 #define for_each_sd_topology(tl)			\
 	for (tl = sched_domain_topology; tl->mask; tl++)
-- 
2.1.4

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