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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2007-10-15 17:00:14 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2007-10-15 17:00:14 +0200 |
| commit | 810e95ccd58d91369191aa4ecc9e6d4a10d8d0c8 (patch) | |
| tree | 48e2204da284c2136fe40f89eca0c212fb976807 /kernel | |
| parent | sched: export cpu_clock() (diff) | |
| download | linux-810e95ccd58d91369191aa4ecc9e6d4a10d8d0c8.tar.xz linux-810e95ccd58d91369191aa4ecc9e6d4a10d8d0c8.zip | |
sched: another wakeup_granularity fix
unit mis-match: wakeup_gran was used against a vruntime
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched_fair.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index f5f491762e35..3ecbfd0902d8 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -818,7 +818,7 @@ static void check_preempt_wakeup(struct rq *rq, struct task_struct *p) struct task_struct *curr = rq->curr; struct cfs_rq *cfs_rq = task_cfs_rq(curr); struct sched_entity *se = &curr->se, *pse = &p->se; - s64 delta; + s64 delta, gran; if (unlikely(rt_prio(p->prio))) { update_rq_clock(rq); @@ -833,8 +833,11 @@ static void check_preempt_wakeup(struct rq *rq, struct task_struct *p) } delta = se->vruntime - pse->vruntime; + gran = sysctl_sched_wakeup_granularity; + if (unlikely(se->load.weight != NICE_0_LOAD)) + gran = calc_delta_fair(gran, &se->load); - if (delta > (s64)sysctl_sched_wakeup_granularity) + if (delta > gran) resched_task(curr); } |