diff options
Diffstat (limited to 'kernel/sched/fair.c')
| -rw-r--r-- | kernel/sched/fair.c | 22 |
1 files changed, 4 insertions, 18 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 646a6ae4b250..fd8b5656641b 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -3987,22 +3987,6 @@ static inline unsigned long task_util_est(struct task_struct *p) return max(task_util(p), _task_util_est(p)); } -#ifdef CONFIG_UCLAMP_TASK -static inline unsigned long uclamp_task_util(struct task_struct *p, - unsigned long uclamp_min, - unsigned long uclamp_max) -{ - return clamp(task_util_est(p), uclamp_min, uclamp_max); -} -#else -static inline unsigned long uclamp_task_util(struct task_struct *p, - unsigned long uclamp_min, - unsigned long uclamp_max) -{ - return task_util_est(p); -} -#endif - static inline void util_est_enqueue(struct cfs_rq *cfs_rq, struct task_struct *p) { @@ -7037,7 +7021,7 @@ static int find_energy_efficient_cpu(struct task_struct *p, int prev_cpu) target = prev_cpu; sync_entity_load_avg(&p->se); - if (!uclamp_task_util(p, p_util_min, p_util_max)) + if (!task_util_est(p) && p_util_min == 0) goto unlock; for (; pd; pd = pd->next) { @@ -10380,13 +10364,15 @@ more_balance: busiest->push_cpu = this_cpu; active_balance = 1; } - raw_spin_rq_unlock_irqrestore(busiest, flags); + preempt_disable(); + raw_spin_rq_unlock_irqrestore(busiest, flags); if (active_balance) { stop_one_cpu_nowait(cpu_of(busiest), active_load_balance_cpu_stop, busiest, &busiest->active_balance_work); } + preempt_enable(); } } else { sd->nr_balance_failed = 0; |