diff options
| author | Kirill Tkhai <tkhai@yandex.ru> | 2014-04-10 17:38:36 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-04-17 13:39:51 +0200 |
| commit | a1d9a3231eac4117cadaf4b6bba5b2902c15a33e (patch) | |
| tree | ea81cd4c9553b0ae0adb4357b578ba3cefc2dccf /kernel/sched/fair.c | |
| parent | 60e69eed85bb7b5198ef70643b5895c26ad76ef7 (diff) | |
sched: Check for stop task appearance when balancing happens
We need to do it like we do for the other higher priority classes..
Signed-off-by: Kirill Tkhai <tkhai@yandex.ru>
Cc: Michael wang <wangyun@linux.vnet.ibm.com>
Cc: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/336561397137116@web27h.yandex.ru
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/fair.c')
| -rw-r--r-- | kernel/sched/fair.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 4f14a656a720..7570dd969c28 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -6728,7 +6728,8 @@ static int idle_balance(struct rq *this_rq) out: /* Is there a task of a high priority class? */ if (this_rq->nr_running != this_rq->cfs.h_nr_running && - (this_rq->dl.dl_nr_running || + ((this_rq->stop && this_rq->stop->on_rq) || + this_rq->dl.dl_nr_running || (this_rq->rt.rt_nr_running && !rt_rq_throttled(&this_rq->rt)))) pulled_task = -1; |