diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-11-27 07:27:54 +0900 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-11-27 07:27:54 +0900 |
| commit | 1b065fdff1c950d96e4c571abe873a9a8aaa6d51 (patch) | |
| tree | 603d792daf79ae9a0161d97191202bf5d796dc7d | |
| parent | b76a1e4f2a2f95354f4567c8eb420fd4cb68fc26 (diff) | |
| parent | d5ad140bc1505a98c0f040937125bfcbb508078f (diff) | |
| download | lwn-1b065fdff1c950d96e4c571abe873a9a8aaa6d51.tar.gz lwn-1b065fdff1c950d96e4c571abe873a9a8aaa6d51.zip | |
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: Fix idle balancing
sched: Fix volanomark performance regression
| -rw-r--r-- | kernel/sched_fair.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index 52ab113d8bb9..00ebd7686676 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -1758,10 +1758,6 @@ static void pull_task(struct rq *src_rq, struct task_struct *p, set_task_cpu(p, this_cpu); activate_task(this_rq, p, 0); check_preempt_curr(this_rq, p, 0); - - /* re-arm NEWIDLE balancing when moving tasks */ - src_rq->avg_idle = this_rq->avg_idle = 2*sysctl_sched_migration_cost; - this_rq->idle_stamp = 0; } /* @@ -3219,8 +3215,10 @@ static void idle_balance(int this_cpu, struct rq *this_rq) interval = msecs_to_jiffies(sd->balance_interval); if (time_after(next_balance, sd->last_balance + interval)) next_balance = sd->last_balance + interval; - if (pulled_task) + if (pulled_task) { + this_rq->idle_stamp = 0; break; + } } raw_spin_lock(&this_rq->lock); |