diff --git a/kernel/sched.c b/kernel/sched.c index 32e6ede85255dc64d684fbfa617a5579b0a1aa3d..50e4e3d15e83ead57817f1dbacca3984dacd2729 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -2613,28 +2613,30 @@ void sched_fork(struct task_struct *p, int clone_flags) set_task_cpu(p, cpu); /* - * Revert to default priority/policy on fork if requested. Make sure we - * do not leak PI boosting priority to the child. + * Make sure we do not leak PI boosting priority to the child. */ - if (current->sched_reset_on_fork && - (p->policy == SCHED_FIFO || p->policy == SCHED_RR)) - p->policy = SCHED_NORMAL; + p->prio = current->normal_prio; - if (current->sched_reset_on_fork && - (current->normal_prio < DEFAULT_PRIO)) - p->prio = DEFAULT_PRIO; - else - p->prio = current->normal_prio; + /* + * Revert to default priority/policy on fork if requested. + */ + if (unlikely(p->sched_reset_on_fork)) { + if (p->policy == SCHED_FIFO || p->policy == SCHED_RR) + p->policy = SCHED_NORMAL; + + if (p->normal_prio < DEFAULT_PRIO) + p->prio = DEFAULT_PRIO; + + /* + * We don't need the reset flag anymore after the fork. It has + * fulfilled its duty: + */ + p->sched_reset_on_fork = 0; + } if (!rt_prio(p->prio)) p->sched_class = &fair_sched_class; - /* - * We don't need the reset flag anymore after the fork. It has - * fulfilled its duty: - */ - p->sched_reset_on_fork = 0; - #if defined(CONFIG_SCHEDSTATS) || defined(CONFIG_TASK_DELAY_ACCT) if (likely(sched_info_on())) memset(&p->sched_info, 0, sizeof(p->sched_info));