On Fri, Sep 20, 2013 at 01:31:51PM +0100, Mel Gorman wrote:
> @@ -1402,14 +1394,15 @@ unlock:
> if (!join)
> return;
>
> + double_lock(&my_grp->lock, &grp->lock);
> +
> for (i = 0; i < 2*nr_node_ids; i++) {
> - atomic_long_sub(p->numa_faults[i], &my_grp->faults[i]);
> - atomic_long_add(p->numa_faults[i], &grp->faults[i]);
> + my_grp->faults[i] -= p->numa_faults[i];
> + grp->faults[i] -= p->numa_faults[i];
> + WARN_ON_ONCE(grp->faults[i] < 0);
> }
That stupidity got fixed
--
Mel Gorman
SUSE Labs
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