Unverified Commit d5f41a4d authored Nov 25, 2023 by openeuler-ci-bot Committed by Gitee Nov 25, 2023

!2805 sched/fair: Refill bandwidth before scaling

Merge Pull Request from: @ci-robot 
 
PR sync from: Xia Fukun <xiafukun@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/DYICXWO35AT3TT7T5TUPY2PEM66HOEND/ 
 
https://gitee.com/openeuler/kernel/issues/I8EUCE 
 
Link:https://gitee.com/openeuler/kernel/pulls/2805

 

Reviewed-by: Zucheng Zheng <zhengzucheng@huawei.com>
Reviewed-by: Liu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>

parents 912d3d24 e030b710

kernel/sched/fair.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -5099,6 +5099,8 @@ static enum hrtimer_restart sched_cfs_period_timer(struct hrtimer *timer)
		if (!overrun)
		break;

		idle = do_sched_cfs_period_timer(cfs_b, overrun, flags);

		if (++count > 3) {
		u64 new, old = ktime_to_ns(cfs_b->period);

		@@ -5128,8 +5130,6 @@ static enum hrtimer_restart sched_cfs_period_timer(struct hrtimer *timer)
		/* reset count so we don't come right back in here */
		count = 0;
		}

		idle = do_sched_cfs_period_timer(cfs_b, overrun, flags);
		}
		if (idle)
		cfs_b->period_active = 0;