Re: [PATCH 02/18] sched: Track NUMA hinting faults on per-node basis

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxx.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>




[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Bugtraq]     [Linux]     [Linux OMAP]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]