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    SubjectRe: [ckrm-tech] [PATCH 4/13] BC: context handling
    On 11/9/06, Kirill Korotaev <dev@sw.ru> wrote:
    > +
    > +int bc_task_move(int pid, struct beancounter *bc, int whole)
    > +{

    ...

    > +
    > + down_write(&mm->mmap_sem);
    > + err = stop_machine_run(do_set_bcid, &data, NR_CPUS);
    > + up_write(&mm->mmap_sem);

    Isn't this a little heavyweight for moving a task into/between beancounters?

    Paul
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