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sched/deadline: Push task away if the deadline is equal to curr during wakeup 

This patch pushes task away if the dealine of the task is equal
to current during wake up. The same behavior as rt class.

Signed-off-by: Wanpeng Li <wanpeng.li@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Juri Lelli <juri.lelli@arm.com>
Cc: Kirill Tkhai <ktkhai@parallels.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/1414708776-124078-4-git-send-email-wanpeng.li@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Wanpeng Li 2014-10-31 06:39:34 +08:00 committed by Ingo Molnar
parent acb32132ec
commit 6b0a563f3a
1 changed files with 1 additions and 1 deletions
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2
kernel/sched/deadline.c
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@ -1506,7 +1506,7 @@ static void task_woken_dl(struct rq *rq, struct task_struct *p)
p->nr_cpus_allowed > 1 &&
dl_task(rq->curr) &&
(rq->curr->nr_cpus_allowed < 2 ||
dl_entity_preempt(&rq->curr->dl, &p->dl))) {
!dl_entity_preempt(&p->dl, &rq->curr->dl))) {
push_dl_tasks(rq);
}
}