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| author | Ting Yang <tingy@cs.umass.edu> | 2007-08-28 12:53:24 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2007-08-28 12:53:24 +0200 |
| commit | 7109c4429af3640f79a638f177fc5d05b9807149 (patch) | |
| tree | 8ea42387ba3fe5d9bc966e3b488699f4f8af322f | |
| parent | f6cf891c4d7128f9f91243fc0b9ce99e10fa1586 (diff) | |
| download | linux-7109c4429af3640f79a638f177fc5d05b9807149.tar.gz linux-7109c4429af3640f79a638f177fc5d05b9807149.tar.bz2 linux-7109c4429af3640f79a638f177fc5d05b9807149.zip | |
sched: call update_curr() in task_tick_fair()
update the fair-clock before using it for the key value.
[ mingo@elte.hu: small cleanups. ]
Signed-off-by: Ting Yang <tingy@cs.umass.edu>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
| -rw-r--r-- | kernel/sched_fair.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index 721fe7744874..9f06094e5275 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -1094,10 +1094,11 @@ static void task_tick_fair(struct rq *rq, struct task_struct *curr) static void task_new_fair(struct rq *rq, struct task_struct *p) { struct cfs_rq *cfs_rq = task_cfs_rq(p); - struct sched_entity *se = &p->se; + struct sched_entity *se = &p->se, *curr = cfs_rq_curr(cfs_rq); sched_info_queued(p); + update_curr(cfs_rq); update_stats_enqueue(cfs_rq, se); /* * Child runs first: we let it run before the parent @@ -1105,7 +1106,7 @@ static void task_new_fair(struct rq *rq, struct task_struct *p) * it will preempt the parent: */ p->se.fair_key = current->se.fair_key - - niced_granularity(&rq->curr->se, sched_granularity(cfs_rq)) - 1; + niced_granularity(curr, sched_granularity(cfs_rq)) - 1; /* * The first wait is dominated by the child-runs-first logic, * so do not credit it with that waiting time yet: |