diff options
| -rw-r--r-- | kernel/sched.c | 23 |
1 files changed, 1 insertions, 22 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 26795adab3a..8e44da609c9 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -3241,27 +3241,6 @@ unsigned long long task_sched_runtime(struct task_struct *p) } /* - * We place interactive tasks back into the active array, if possible. - * - * To guarantee that this does not starve expired tasks we ignore the - * interactivity of a task if the first expired task had to wait more - * than a 'reasonable' amount of time. This deadline timeout is - * load-dependent, as the frequency of array switched decreases with - * increasing number of running tasks. We also ignore the interactivity - * if a better static_prio task has expired: - */ -static inline int expired_starving(struct rq *rq) -{ - if (rq->curr->static_prio > rq->best_expired_prio) - return 1; - if (!STARVATION_LIMIT || !rq->expired_timestamp) - return 0; - if (jiffies - rq->expired_timestamp > STARVATION_LIMIT * rq->nr_running) - return 1; - return 0; -} - -/* * Account user cpu time to a process. * @p: the process that the cpu time gets accounted to * @hardirq_offset: the offset to subtract from hardirq_count() @@ -3373,7 +3352,7 @@ static void task_running_tick(struct rq *rq, struct task_struct *p) if (!rq->expired_timestamp) rq->expired_timestamp = jiffies; - if (!TASK_INTERACTIVE(p) || expired_starving(rq)) { + if (!TASK_INTERACTIVE(p)) { enqueue_task(p, rq->expired); if (p->static_prio < rq->best_expired_prio) rq->best_expired_prio = p->static_prio; |