[Devel] Re: [RFC][PATCH] introduce task cgroup (#task restrictioon for prevent fork bomb by cgroup)

[KOSAKI Motohiro]

Hi

Thank you for careful review.

>> +     struct task_cgroup *taskcg;
>> +
>> +     if ((max_tasks > INT_MAX) ||
>> +         (max_tasks < INT_MIN))
>
> It should be < -1 I think.

OK.
I'll fix it at next post.



>> +     spin_lock(&taskcg->lock);
>> +     if (max_tasks < taskcg->nr_tasks)
>> +             return -EBUSY;
>
> Shouldn't you drop the lock here?

you are right.
Thanks.


> How does this controller affect performance? Do you have some numbers?

No.
but I have plan to mesure it at nearly future.
Thanks.
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