Re: [PATCH 3/4] Count the number of times zone_reclaim() scans andfails

[Mel Gorman]

On Wed, Jun 10, 2009 at 10:47:20AM +0900, KOSAKI Motohiro wrote:
> Hi
> 
> I like this patch. thank you mel.
> 
> > @@ -2489,6 +2489,10 @@ int zone_reclaim(struct zone *zone, gfp_t gfp_mask, unsigned int order)
> >  	ret = __zone_reclaim(zone, gfp_mask, order);
> >  	zone_clear_flag(zone, ZONE_RECLAIM_LOCKED);
> >  
> > +	if (!ret) {
> > +		count_vm_events(PGSCAN_ZONERECLAIM_FAILED, 1);
> > +	}
> > +
> >  	return ret;
> 
> count_vm_event(PGSCAN_ZONERECLAIM_FAILED)?
> 

/me slaps self

Yes, that makes more sense.

-- 
Mel Gorman
Part-time Phd Student                          Linux Technology Center
University of Limerick                         IBM Dublin Software Lab
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