hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/IAQWPQ

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In the overload_clear function, there is a bug when setting the overload_cpus, that is, when the steal_task feature is globally enabled and rq->cfs.h_nr_running is less than 2, the need_clear should be set to true.

Fixes: 433c0b725642 ("sched/fair: Count the number of tasks marked as steal_task on cfs_rq") Signed-off-by: Cheng Yu serein.chengyu@huawei.com --- kernel/sched/fair.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 38841d1d640a..a518d636f07f 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -4492,11 +4492,10 @@ static void overload_clear(struct rq *rq) if (!steal_enabled()) return;

- if (!group_steal_used() && rq->cfs.h_nr_running >= 2) - return; + if (rq->cfs.h_nr_running < 2) + need_clear = true;

- if (group_steal_used() && - (rq->cfs.h_nr_running < 2 || rq->cfs.steal_h_nr_running == 0)) + if (group_steal_used() && rq->cfs.steal_h_nr_running < 1) need_clear = true;

if (!need_clear)