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authorLinus Torvalds <torvalds@linux-foundation.org>2010-06-03 15:47:51 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-06-03 15:47:51 -0700
commit39d112100e561686ab1e2b19c57984163ad6c1fa (patch)
tree19b3cd50345306de6f95b58b4a35e8f725786b9b /kernel/sched.c
parent167b7129042a4b4c09bb4ede5482ff79340a3999 (diff)
parent02f726949f2be0967aa4871dd4e47d3967779b26 (diff)
Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: sched, trace: Fix sched_switch() prev_state argument sched: Fix wake_affine() vs RT tasks sched: Make sure timers have migrated before killing the migration_thread
Diffstat (limited to 'kernel/sched.c')
-rw-r--r--kernel/sched.c24
1 files changed, 6 insertions, 18 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index d4840814250..f8b8996228d 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -544,6 +544,8 @@ struct rq {
struct root_domain *rd;
struct sched_domain *sd;
+ unsigned long cpu_power;
+
unsigned char idle_at_tick;
/* For active balancing */
int post_schedule;
@@ -1499,24 +1501,9 @@ static unsigned long target_load(int cpu, int type)
return max(rq->cpu_load[type-1], total);
}
-static struct sched_group *group_of(int cpu)
-{
- struct sched_domain *sd = rcu_dereference_sched(cpu_rq(cpu)->sd);
-
- if (!sd)
- return NULL;
-
- return sd->groups;
-}
-
static unsigned long power_of(int cpu)
{
- struct sched_group *group = group_of(cpu);
-
- if (!group)
- return SCHED_LOAD_SCALE;
-
- return group->cpu_power;
+ return cpu_rq(cpu)->cpu_power;
}
static int task_hot(struct task_struct *p, u64 now, struct sched_domain *sd);
@@ -1854,8 +1841,8 @@ static void dec_nr_running(struct rq *rq)
static void set_load_weight(struct task_struct *p)
{
if (task_has_rt_policy(p)) {
- p->se.load.weight = prio_to_weight[0] * 2;
- p->se.load.inv_weight = prio_to_wmult[0] >> 1;
+ p->se.load.weight = 0;
+ p->se.load.inv_weight = WMULT_CONST;
return;
}
@@ -7605,6 +7592,7 @@ void __init sched_init(void)
#ifdef CONFIG_SMP
rq->sd = NULL;
rq->rd = NULL;
+ rq->cpu_power = SCHED_LOAD_SCALE;
rq->post_schedule = 0;
rq->active_balance = 0;
rq->next_balance = jiffies;