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Xunlei Pang authored
We should update cfs_rq->throttled_clock_task, not pcfs_rq->throttle_clock_task. The effects of this bug was probably occasionally erratic group scheduling, particularly in cgroups-intense workloads. Signed-off-by: Xunlei Pang <xlpang@redhat.com> [ Added changelog. ] Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Fixes: 55e16d30 ("sched/fair: Rework throttle_count sync") Link: http://lkml.kernel.org/r/1468050862-18864-1-git-send-email-xlpang@redhat.comSigned-off-by: Ingo Molnar <mingo@kernel.org>
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