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Message-ID: <tip-230059de77a4e0f6afba98073e73bc9fd471506e@git.kernel.org>
Date: Thu, 21 Jan 2010 13:53:10 GMT
From: tip-bot for Peter Zijlstra <a.p.zijlstra@...llo.nl>
To: linux-tip-commits@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
a.p.zijlstra@...llo.nl, tglx@...utronix.de, mingo@...e.hu
Subject: [tip:sched/core] sched: Remove from fwd decls
Commit-ID: 230059de77a4e0f6afba98073e73bc9fd471506e
Gitweb: http://git.kernel.org/tip/230059de77a4e0f6afba98073e73bc9fd471506e
Author: Peter Zijlstra <a.p.zijlstra@...llo.nl>
AuthorDate: Thu, 17 Dec 2009 17:47:12 +0100
Committer: Ingo Molnar <mingo@...e.hu>
CommitDate: Thu, 21 Jan 2010 13:40:12 +0100
sched: Remove from fwd decls
Move code around to get rid of fwd declarations.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
kernel/sched_fair.c | 127 ++++++++++++++++++++++++---------------------------
1 files changed, 60 insertions(+), 67 deletions(-)
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index e48e459..93fccba 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -1814,73 +1814,6 @@ static void put_prev_task_fair(struct rq *rq, struct task_struct *prev)
* Fair scheduling class load-balancing methods:
*/
-static unsigned long
-balance_tasks(struct rq *this_rq, int this_cpu, struct rq *busiest,
- unsigned long max_load_move, struct sched_domain *sd,
- enum cpu_idle_type idle, int *all_pinned,
- int *this_best_prio, struct cfs_rq *busiest_cfs_rq);
-
-
-#ifdef CONFIG_FAIR_GROUP_SCHED
-static unsigned long
-load_balance_fair(struct rq *this_rq, int this_cpu, struct rq *busiest,
- unsigned long max_load_move,
- struct sched_domain *sd, enum cpu_idle_type idle,
- int *all_pinned, int *this_best_prio)
-{
- long rem_load_move = max_load_move;
- int busiest_cpu = cpu_of(busiest);
- struct task_group *tg;
-
- rcu_read_lock();
- update_h_load(busiest_cpu);
-
- list_for_each_entry_rcu(tg, &task_groups, list) {
- struct cfs_rq *busiest_cfs_rq = tg->cfs_rq[busiest_cpu];
- unsigned long busiest_h_load = busiest_cfs_rq->h_load;
- unsigned long busiest_weight = busiest_cfs_rq->load.weight;
- u64 rem_load, moved_load;
-
- /*
- * empty group
- */
- if (!busiest_cfs_rq->task_weight)
- continue;
-
- rem_load = (u64)rem_load_move * busiest_weight;
- rem_load = div_u64(rem_load, busiest_h_load + 1);
-
- moved_load = balance_tasks(this_rq, this_cpu, busiest,
- rem_load, sd, idle, all_pinned, this_best_prio,
- busiest_cfs_rq);
-
- if (!moved_load)
- continue;
-
- moved_load *= busiest_h_load;
- moved_load = div_u64(moved_load, busiest_weight + 1);
-
- rem_load_move -= moved_load;
- if (rem_load_move < 0)
- break;
- }
- rcu_read_unlock();
-
- return max_load_move - rem_load_move;
-}
-#else
-static unsigned long
-load_balance_fair(struct rq *this_rq, int this_cpu, struct rq *busiest,
- unsigned long max_load_move,
- struct sched_domain *sd, enum cpu_idle_type idle,
- int *all_pinned, int *this_best_prio)
-{
- return balance_tasks(this_rq, this_cpu, busiest,
- max_load_move, sd, idle, all_pinned,
- this_best_prio, &busiest->cfs);
-}
-#endif
-
/*
* pull_task - move a task from a remote runqueue to the local runqueue.
* Both runqueues must be locked.
@@ -2042,6 +1975,66 @@ out:
return max_load_move - rem_load_move;
}
+#ifdef CONFIG_FAIR_GROUP_SCHED
+static unsigned long
+load_balance_fair(struct rq *this_rq, int this_cpu, struct rq *busiest,
+ unsigned long max_load_move,
+ struct sched_domain *sd, enum cpu_idle_type idle,
+ int *all_pinned, int *this_best_prio)
+{
+ long rem_load_move = max_load_move;
+ int busiest_cpu = cpu_of(busiest);
+ struct task_group *tg;
+
+ rcu_read_lock();
+ update_h_load(busiest_cpu);
+
+ list_for_each_entry_rcu(tg, &task_groups, list) {
+ struct cfs_rq *busiest_cfs_rq = tg->cfs_rq[busiest_cpu];
+ unsigned long busiest_h_load = busiest_cfs_rq->h_load;
+ unsigned long busiest_weight = busiest_cfs_rq->load.weight;
+ u64 rem_load, moved_load;
+
+ /*
+ * empty group
+ */
+ if (!busiest_cfs_rq->task_weight)
+ continue;
+
+ rem_load = (u64)rem_load_move * busiest_weight;
+ rem_load = div_u64(rem_load, busiest_h_load + 1);
+
+ moved_load = balance_tasks(this_rq, this_cpu, busiest,
+ rem_load, sd, idle, all_pinned, this_best_prio,
+ busiest_cfs_rq);
+
+ if (!moved_load)
+ continue;
+
+ moved_load *= busiest_h_load;
+ moved_load = div_u64(moved_load, busiest_weight + 1);
+
+ rem_load_move -= moved_load;
+ if (rem_load_move < 0)
+ break;
+ }
+ rcu_read_unlock();
+
+ return max_load_move - rem_load_move;
+}
+#else
+static unsigned long
+load_balance_fair(struct rq *this_rq, int this_cpu, struct rq *busiest,
+ unsigned long max_load_move,
+ struct sched_domain *sd, enum cpu_idle_type idle,
+ int *all_pinned, int *this_best_prio)
+{
+ return balance_tasks(this_rq, this_cpu, busiest,
+ max_load_move, sd, idle, all_pinned,
+ this_best_prio, &busiest->cfs);
+}
+#endif
+
/*
* move_tasks tries to move up to max_load_move weighted load from busiest to
* this_rq, as part of a balancing operation within domain "sd".
--
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