[tip:sched/core] sched/core: Make 'sched_domain_topology' declaration static

[tip-bot for Juergen Gross <tipbot@zytor.com>]

Commit-ID:  c6e1e7b5b7f031910850ddaf7bfa65ba3b4843ea
Gitweb:     http://git.kernel.org/tip/c6e1e7b5b7f031910850ddaf7bfa65ba3b4843ea
Author:     Juergen Gross <jgross@suse.com>
AuthorDate: Tue, 22 Sep 2015 12:48:59 +0200
Committer:  Ingo Molnar <mingo@kernel.org>
CommitDate: Wed, 23 Sep 2015 10:19:12 +0200

sched/core: Make 'sched_domain_topology' declaration static

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

Signed-off-by: Juergen Gross <jgross@suse.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1442918939-9907-1-git-send-email-jgross@suse.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 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 bd38b3e..699228b 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 1b30b5b..a91df61 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -6445,7 +6445,8 @@ 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++)