On Mon, Jul 29, 2013 at 12:10:59PM +0200, Peter Zijlstra wrote:
> On Mon, Jul 15, 2013 at 04:20:04PM +0100, Mel Gorman wrote:
> > +++ b/kernel/sched/fair.c
> > @@ -815,7 +815,14 @@ void task_numa_fault(int node, int pages, bool
> > migrated)
> > if (!sched_feat_numa(NUMA))
> > return;
> >
> > - /* FIXME: Allocate task-specific structure for placement policy here */
> > + /* Allocate buffer to track faults on a per-node basis */
> > + if (unlikely(!p->numa_faults)) {
> > + int size = sizeof(*p->numa_faults) * nr_node_ids;
> > +
> > + p->numa_faults = kzalloc(size, GFP_KERNEL);
>
> We should probably stick a __GFP_NOWARN in there.
>
Yes.
--
Mel Gorman
SUSE Labs
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