[PATCH] sched, cgroup: enclose root_task_group with macro CONFIG_CGROUP_SCHED.

[Haishuang Yan]

root_task_group defined in sched/core.c is enclosed by
CONFIG_CGROUP_SCHED, so the export declaration should
also be enclosed.

Signed-off-by: Haishuang Yan <yanhaishuang@xxxxxxxxxxxxxxxxxxxx>
---
 include/linux/init_task.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 325f649..f3f73fa 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -132,9 +132,8 @@
 
 extern struct cred init_cred;
 
-extern struct task_group root_task_group;
-
 #ifdef CONFIG_CGROUP_SCHED
+extern struct task_group root_task_group;
 # define INIT_CGROUP_SCHED(tsk)						\
 	.sched_task_group = &root_task_group,
 #else
-- 
1.8.3.1