diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-11-12 17:22:44 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-11-12 17:22:44 -0800 |
| commit | 4ffaf869c7780bbdfc11291e5fd4b61dde662b1c (patch) | |
| tree | bdd513a1dba0c7fc99645453aef5bc7bb7343a0e | |
| parent | 65131cd52b9e7c5814298e05c3b7843f13e78d24 (diff) | |
| parent | 5cbd54ef470d880fc37fbe4b21eb514806d51e0d (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: fix init_idle()'s use of sched_clock()
sched: fix stale value in average load per task
| -rw-r--r-- | kernel/sched.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 50a21f96467..c94baf2969e 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -1456,6 +1456,8 @@ static unsigned long cpu_avg_load_per_task(int cpu) if (rq->nr_running) rq->avg_load_per_task = rq->load.weight / rq->nr_running; + else + rq->avg_load_per_task = 0; return rq->avg_load_per_task; } @@ -5868,6 +5870,8 @@ void __cpuinit init_idle(struct task_struct *idle, int cpu) struct rq *rq = cpu_rq(cpu); unsigned long flags; + spin_lock_irqsave(&rq->lock, flags); + __sched_fork(idle); idle->se.exec_start = sched_clock(); @@ -5875,7 +5879,6 @@ void __cpuinit init_idle(struct task_struct *idle, int cpu) idle->cpus_allowed = cpumask_of_cpu(cpu); __set_task_cpu(idle, cpu); - spin_lock_irqsave(&rq->lock, flags); rq->curr = rq->idle = idle; #if defined(CONFIG_SMP) && defined(__ARCH_WANT_UNLOCKED_CTXSW) idle->oncpu = 1; |