[tip:sched/core] sched: Remove double declaration of root_task_group

[tip-bot for Li Zefan]

Commit-ID:  27b4b9319a3c2e8654d45df99ce584c7c2cfe100
Gitweb:     http://git.kernel.org/tip/27b4b9319a3c2e8654d45df99ce584c7c2cfe100
Author:     Li Zefan <lizefan@xxxxxxxxxx>
AuthorDate: Tue, 5 Mar 2013 16:07:52 +0800
Committer:  Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Wed, 6 Mar 2013 11:24:35 +0100

sched: Remove double declaration of root_task_group

It's already declared in include/linux/sched.h

Signed-off-by: Li Zefan <lizefan@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/5135A7D8.7000107@xxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 kernel/sched/core.c  | 4 ++++
 kernel/sched/sched.h | 5 -----
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 9ad26c9..42ecbcb 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -6861,6 +6861,10 @@ int in_sched_functions(unsigned long addr)
 }
 
 #ifdef CONFIG_CGROUP_SCHED
+/*
+ * Default task group.
+ * Every task in system belongs to this group at bootup.
+ */
 struct task_group root_task_group;
 LIST_HEAD(task_groups);
 #endif
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 304fc1c..30bebb9 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -179,11 +179,6 @@ struct task_group {
 #define MAX_SHARES	(1UL << 18)
 #endif
 
-/* Default task group.
- *	Every task in system belong to this group at bootup.
- */
-extern struct task_group root_task_group;
-
 typedef int (*tg_visitor)(struct task_group *, void *);
 
 extern int walk_tg_tree_from(struct task_group *from,
--
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