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Vincent Guittot authored
Although not exactly identical, unthrottle_cfs_rq() and enqueue_task_fair() are quite close and follow the same sequence for enqueuing an entity in the cfs hierarchy. Modify unthrottle_cfs_rq() to use the same pattern as enqueue_task_fair(). This fixes a problem already faced with the latter and add an optimization in the last for_each_sched_entity loop. Fixes: fe61468b (sched/fair: Fix enqueue_task_fair warning) Reported-by Tao Zhou <zohooouoto@zoho.com.cn> Signed-off-by:
Vincent Guittot <vincent.guittot@linaro.org> Signed-off-by:
Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by:
Phil Auld <pauld@redhat.com> Reviewed-by:
Ben Segall <bsegall@google.com> Link: https://lkml.kernel.org/r/20200513135528.4742-1-vincent.guittot@linaro.org
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