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authorTing Yang <tingy@cs.umass.edu>2007-08-28 12:53:24 +0200
committerIngo Molnar <mingo@elte.hu>2007-08-28 12:53:24 +0200
commit7109c4429af3640f79a638f177fc5d05b9807149 (patch)
tree8ea42387ba3fe5d9bc966e3b488699f4f8af322f /kernel
parentf6cf891c4d7128f9f91243fc0b9ce99e10fa1586 (diff)
downloadlinux-linaro-7109c4429af3640f79a638f177fc5d05b9807149.tar.gz
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>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/sched_fair.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index 721fe774487..9f06094e527 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: