X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fsched.c;h=9a1ddb84e26d56e7d6b283daab1edbad20ae2042;hb=ff9bc512f198eb47204f55b24c6fe3d36ed89592;hp=95e6ad3c231deb8ed43ca27476400b85ecd1eb24;hpb=ffaa5b984a9322bbd5d9a7f0814ca2ce70feebe5;p=linux-2.6

diff --git a/kernel/sched.c b/kernel/sched.c
index 95e6ad3c23..9a1ddb84e2 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -808,9 +808,9 @@ const_debug unsigned int sysctl_sched_nr_migrate = 32;
 
 /*
  * ratelimit for updating the group shares.
- * default: 0.5ms
+ * default: 0.25ms
  */
-const_debug unsigned int sysctl_sched_shares_ratelimit = 500000;
+unsigned int sysctl_sched_shares_ratelimit = 250000;
 
 /*
  * period over which we measure -rt task cpu usage in us.
@@ -5786,6 +5786,8 @@ static inline void sched_init_granularity(void)
 		sysctl_sched_latency = limit;
 
 	sysctl_sched_wakeup_granularity *= factor;
+
+	sysctl_sched_shares_ratelimit *= factor;
 }
 
 #ifdef CONFIG_SMP
@@ -8508,8 +8510,8 @@ struct task_group *sched_create_group(struct task_group *parent)
 	WARN_ON(!parent); /* root should already exist */
 
 	tg->parent = parent;
-	list_add_rcu(&tg->siblings, &parent->children);
 	INIT_LIST_HEAD(&tg->children);
+	list_add_rcu(&tg->siblings, &parent->children);
 	spin_unlock_irqrestore(&task_group_lock, flags);
 
 	return tg;