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    SubjectRe: Per container statistics (containerstats)
    On 6/7/07, Balbir Singh <balbir@linux.vnet.ibm.com> wrote:
    > > this needs tasklist_lock?
    > >
    >
    > rcu_read_lock() should be fine. From Eric's patch at
    >
    > 2.6.17-mm2 - proc-remove-tasklist_lock-from-proc_pid_readdir.patch
    >
    > The patch mentions that "We don't need the tasklist_lock to safely
    > iterate through processes anymore."

    Containers V10 includes an iterator interface for listing the member
    tasks of a container, which avoids scanning the entire tasklist.
    Downside is that it currently requires taking a read_lock on a global
    lock, but I hope to improve on that in the future.

    Paul
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