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    SubjectRe: [PATCH 04/10] Display /proc/stat information per cgroup
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    On Sun, 2011-10-02 at 23:21 +0400, Glauber Costa wrote:
    > +struct kernel_stat *task_group_kstat(struct task_struct *p)
    > +{
    > + struct task_group *tg;
    > + struct kernel_stat *kstat;
    > +
    > + rcu_read_lock();
    > + tg = task_group(p);
    > + kstat = tg->cpustat;
    > + rcu_read_unlock();
    > + return kstat;
    > +}

    Who keeps tg alive and kicking while you poke at its (cpustat) member?


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