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    SubjectRe: [PATCH 10/10] Bsdacct: account dying tasks in all relevant namespaces
    On Fri, 16 May 2008 14:11:04 +0400 Pavel Emelyanov <xemul@openvz.org> wrote:

    >
    > >> + * handles process accounting for an exiting task
    > >> + */
    > >> +void acct_process(void)
    > >> +{
    > >> + struct pid_namespace *ns;
    > >> +
    > >> + for (ns = task_active_pid_ns(current); ns != NULL; ns = ns->parent)
    > >> + acct_process_in_ns(ns);
    > >> +}
    > >
    > > Is it really safe to walk this list locklessly?
    >
    > Well, yes - I wrote it in the comment to the 10th patch:
    >
    > "ns->parent access if safe lockless, since current it still
    > alive and holds its namespace, which in turn holds its parent."

    oic.

    > Should I also add this as a comment here?

    It wouldn't hurt...


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