linux-kernel - [PATCH 4/5] sched: refactor task

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Message-Id: <1298185696-4403-5-git-send-email-yong.zhang0@gmail.com>
Date:	Sun, 20 Feb 2011 15:08:15 +0800
From:	Yong Zhang <yong.zhang0@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Ingo Molnar <mingo@...e.hu>, Peter Zijlstra <peterz@...radead.org>,
	Mike Galbraith <efault@....de>
Subject: [PATCH 4/5] sched: refactor task_group()

move cgroup-related task group finding to cgroup_task_group().
No function change.

Signed-off-by: Yong Zhang <yong.zhang0@...il.com>
Cc: Ingo Molnar <mingo@...e.hu>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Mike Galbraith <efault@....de>
---
 kernel/sched.c |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/kernel/sched.c b/kernel/sched.c
index 18d38e4..5c74f79 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -601,7 +601,7 @@ static inline int cpu_of(struct rq *rq)
  * holds that lock for each task it moves into the cgroup. Therefore
  * by holding that lock, we pin the task to the current cgroup.
  */
-static inline struct task_group *task_group(struct task_struct *p)
+static inline struct task_group *cgroup_task_group(struct task_struct *p)
 {
 	struct task_group *tg;
 	struct cgroup_subsys_state *css;
@@ -613,6 +613,14 @@ static inline struct task_group *task_group(struct task_struct *p)
 			lockdep_is_held(&task_rq(p)->lock));
 	tg = container_of(css, struct task_group, css);
 
+	return tg;
+}
+
+static inline struct task_group *task_group(struct task_struct *p)
+{
+	struct task_group *tg;
+
+	tg = cgroup_task_group(p);
 	return autogroup_task_group(p, tg);
 }
 
-- 
1.7.1

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