Messages in this thread | | | Date | Wed, 28 Sep 2011 12:14:06 -0300 | From | Glauber Costa <> | Subject | Re: [RFD 1/9] Change cpustat fields to an array. |
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On 09/27/2011 06:03 PM, Peter Zijlstra wrote: > On Fri, 2011-09-23 at 19:20 -0300, Glauber Costa wrote: >> @@ -623,6 +624,9 @@ static inline struct task_group *task_group(struct >> task_struct *p) >> struct task_group *tg; >> struct cgroup_subsys_state *css; >> >> + if (!p->mm) >> + return&root_task_group; >> + >> css = task_subsys_state_check(p, cpu_cgroup_subsys_id, >> lockdep_is_held(&p->pi_lock) || >> lockdep_is_held(&task_rq(p)->lock)); > > Hmm, why is that? Aren't kthreads part of the cgroup muck just as much > as normal tasks are? You're right. I had something else from another work I'm doing in mind and got confused. Will remove it.
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