From: Ting Yang Date: Tue, 28 Aug 2007 10:53:24 +0000 (+0200) Subject: sched: call update_curr() in task_tick_fair() X-Git-Tag: v3.12-rc1~27000^2~3 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7109c4429af3640f79a638f177fc5d05b9807149;p=kernel%2Fkernel-generic.git 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 Signed-off-by: Ingo Molnar Signed-off-by: Mike Galbraith Signed-off-by: Peter Zijlstra --- diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index 721fe77..9f06094 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: