Messages in this thread Patch in this message | | | From | Morten Rasmussen <> | Subject | [PATCH 6/6] sched/fair: Initialize task load and utilization before placing task on rq | Date | Fri, 14 Aug 2015 17:23:14 +0100 |
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Task load or utilization is not currently considered in select_task_rq_fair(), but if we want that in the future we should make sure it is not zero for new tasks.
cc: Ingo Molnar <mingo@redhat.com> cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Morten Rasmussen <morten.rasmussen@arm.com> --- kernel/sched/core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index b11f624..ae9fca32 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -2294,6 +2294,8 @@ void wake_up_new_task(struct task_struct *p) struct rq *rq; raw_spin_lock_irqsave(&p->pi_lock, flags); + /* Initialize new task's runnable average */ + init_entity_runnable_average(&p->se); #ifdef CONFIG_SMP /* * Fork balancing, do it here and not earlier because: @@ -2303,8 +2305,6 @@ void wake_up_new_task(struct task_struct *p) set_task_cpu(p, select_task_rq(p, task_cpu(p), SD_BALANCE_FORK, 0)); #endif - /* Initialize new task's runnable average */ - init_entity_runnable_average(&p->se); rq = __task_rq_lock(p); activate_task(rq, p, 0); p->on_rq = TASK_ON_RQ_QUEUED; -- 1.9.1
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