Merge commit 'v2.6.29-rc1' into x86/urgent

1 files changed, 12 insertions, 20 deletions

diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index 56c0efe902a..8e1352c7555 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -386,20 +386,6 @@ int sched_nr_latency_handler(struct ctl_table *table, int write,
 #endif
 
 /*
- * delta *= P[w / rw]
- */
-static inline unsigned long
-calc_delta_weight(unsigned long delta, struct sched_entity *se)
-{
-	for_each_sched_entity(se) {
-		delta = calc_delta_mine(delta,
-				se->load.weight, &cfs_rq_of(se)->load);
-	}
-
-	return delta;
-}
-
-/*
  * delta /= w
  */
 static inline unsigned long
@@ -440,12 +426,20 @@ static u64 __sched_period(unsigned long nr_running)
  */
 static u64 sched_slice(struct cfs_rq *cfs_rq, struct sched_entity *se)
 {
-	unsigned long nr_running = cfs_rq->nr_running;
+	u64 slice = __sched_period(cfs_rq->nr_running + !se->on_rq);
+
+	for_each_sched_entity(se) {
+		struct load_weight *load = &cfs_rq->load;
 
-	if (unlikely(!se->on_rq))
-		nr_running++;
+		if (unlikely(!se->on_rq)) {
+			struct load_weight lw = cfs_rq->load;
 
-	return calc_delta_weight(__sched_period(nr_running), se);
+			update_load_add(&lw, se->load.weight);
+			load = &lw;
+		}
+		slice = calc_delta_mine(slice, se->load.weight, load);
+	}
+	return slice;
 }
 
 /*
@@ -1623,8 +1617,6 @@ static void task_tick_fair(struct rq *rq, struct task_struct *curr, int queued)
 	}
 }
 
-#define swap(a, b) do { typeof(a) tmp = (a); (a) = (b); (b) = tmp; } while (0)
-
 /*
  * Share the fairness runtime between parent and child, thus the
  * total amount of pressure for CPU stays equal - new tasks