Re: [PATCH 04/09] memcg: make zone_reclaim_stat

[KOSAKI Motohiro]

> > +struct zone_reclaim_stat*
> > +mem_cgroup_get_reclaim_stat_by_page(struct page *page)
> > +{
> > +	return NULL;
> > +}
> 
> > +		memcg_reclaim_stat = mem_cgroup_get_reclaim_stat_by_page(page);
> > +		memcg_reclaim_stat->recent_rotated[!!file]++;
> > +		memcg_reclaim_stat->recent_scanned[!!file]++;
> 
> Won't this cause a null pointer dereference when
> not using memcg?

Ahhh, thank you.
that is definitly silly bug.



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