X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=kernel%2Fsched.c;h=740fb409e5bb32854dc9cc9b753cb25d83cdb7d4;hb=07d45da616f8514651360b502314fc9554223a03;hp=09ca69b2c17d4e4174d263bcbb35d64119bef04b;hpb=7e97b28309edc5669ced2bb1371704e8f8d084e3;p=linux-2.6-omap-h63xx.git

diff --git a/kernel/sched.c b/kernel/sched.c
index 09ca69b2c17..740fb409e5b 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -1656,42 +1656,6 @@ void aggregate_group_weight(struct task_group *tg, struct sched_domain *sd)
 	aggregate(tg, sd)->task_weight = task_weight;
 }
 
-/*
- * Redistribute tg->shares amongst all tg->cfs_rq[]s.
- */
-static void __aggregate_redistribute_shares(struct task_group *tg)
-{
-	int i, max_cpu = smp_processor_id();
-	unsigned long rq_weight = 0;
-	unsigned long shares, max_shares = 0, shares_rem = tg->shares;
-
-	for_each_possible_cpu(i)
-		rq_weight += tg->cfs_rq[i]->load.weight;
-
-	for_each_possible_cpu(i) {
-		/*
-		 * divide shares proportional to the rq_weights.
-		 */
-		shares = tg->shares * tg->cfs_rq[i]->load.weight;
-		shares /= rq_weight + 1;
-
-		tg->cfs_rq[i]->shares = shares;
-
-		if (shares > max_shares) {
-			max_shares = shares;
-			max_cpu = i;
-		}
-		shares_rem -= shares;
-	}
-
-	/*
-	 * Ensure it all adds up to tg->shares; we can loose a few
-	 * due to rounding down when computing the per-cpu shares.
-	 */
-	if (shares_rem)
-		tg->cfs_rq[max_cpu]->shares += shares_rem;
-}
-
 /*
  * Compute the weight of this group on the given cpus.
  */
@@ -1701,18 +1665,11 @@ void aggregate_group_shares(struct task_group *tg, struct sched_domain *sd)
 	unsigned long shares = 0;
 	int i;
 
-again:
 	for_each_cpu_mask(i, sd->span)
 		shares += tg->cfs_rq[i]->shares;
 
-	/*
-	 * When the span doesn't have any shares assigned, but does have
-	 * tasks to run do a machine wide rebalance (should be rare).
-	 */
-	if (unlikely(!shares && aggregate(tg, sd)->rq_weight)) {
-		__aggregate_redistribute_shares(tg);
-		goto again;
-	}
+	if ((!shares && aggregate(tg, sd)->rq_weight) || shares > tg->shares)
+		shares = tg->shares;
 
 	aggregate(tg, sd)->shares = shares;
 }
@@ -7991,11 +7948,6 @@ void __init sched_init_smp(void)
 #else
 void __init sched_init_smp(void)
 {
-#if defined(CONFIG_NUMA)
-	sched_group_nodes_bycpu = kzalloc(nr_cpu_ids * sizeof(void **),
-								GFP_KERNEL);
-	BUG_ON(sched_group_nodes_bycpu == NULL);
-#endif
 	sched_init_granularity();
 }
 #endif /* CONFIG_SMP */