On 02/20/2014 02:10 AM, Sasha Levin wrote:
> On 02/17/2014 09:26 PM, Michael wang wrote:
>> On 02/17/2014 05:20 PM, Peter Zijlstra wrote:
>> [snip]
>>>> >> static void switched_to_fair(struct rq *rq, struct task_struct *p)
>>>> >> {
>>>> >>- if (!p->se.on_rq)
>>>> >>+ struct sched_entity *se = &p->se;
>>>> >>+#ifdef CONFIG_FAIR_GROUP_SCHED
>>>> >>+ se->depth = se->parent ? se->parent->depth + 1 : 0;
>>>> >>+#endif
>>>> >>+ if (!se->on_rq)
>>>> >> return;
>>>> >>
>>>> >> /*
>>> >
>>> >Yes indeed. My first idea yesterday was to put it in set_task_rq()
>>> to be
>>> >absolutely sure we catch all; but if this is sufficient its better.
>> Agree, let's wait for Sasha's testing result then:)
>
> I took my time with testing it seems I'm hitting new issues with both
> sched and mm, and I've wanted to confirm I don't see this one any more.
>
> It does seem like this patch fixes the problem for me, so:
>
> Tested-by: Sasha Levin <sasha.le...@oracle.com>
Thanks for the testing :) will post the patch later.
Regards,
Michael Wang
>
>
> Thanks,
> Sasha
>
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