On Wed, 2010-12-08 at 21:00 +0100, Peter Zijlstra wrote:
quoted text
> +       lag0 = avg_vruntime(cfs_rq_of(se));
> +       p_lag0 = avg_vruntime(cfs_rq_of(p_se));
> +
> +       lag = se->vruntime - avg_vruntime(cfs_rq);
> +       p_lag = p_se->vruntime - avg_vruntime(p_cfs_rq);
> +
> +       if (p_lag > lag) { /* if P is owed less service */
> +               se->vruntime = lag0 + p_lag;
> +               p_se->vruntime = p_lag + lag;
> +       } 

clearly that should read:

  p_se->vruntime = p_lag0 + lag;
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