diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched_fair.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index ec1592eb8d0..c240b72b4e6 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -828,6 +828,12 @@ static void check_preempt_wakeup(struct rq *rq, struct task_struct *p) resched_task(curr); return; } + /* + * Batch tasks do not preempt (their preemption is driven by + * the tick): + */ + if (unlikely(p->policy == SCHED_BATCH)) + return; if (sched_feat(WAKEUP_PREEMPT)) { while (!is_same_group(se, pse)) { |