On Mon, 15 Oct 2007 15:37:01 +0900 (JST)
yamamoto@valinux.co.jp (YAMAMOTO Takashi) wrote:

> >  - changed from u64 to s64
> 
> why?
> 
> > +/*
> > + * For batching....mem_cgroup_charge_statistics()(see below).
> > + */
> > +static inline void mem_cgroup_stat_add(struct mem_cgroup_stat *stat,
> > +                enum mem_cgroup_stat_index idx, int val)
> > +{
> > +	int cpu = smp_processor_id();
> > +	stat->cpustat[cpu].count[idx] += val;
> > +}
> 
> i think the function name should be something which implies batching.
> 
Hm, How about this ?
==
mem_cgroup_stat_add_atomic() 
==
and add this 
==
VM_BUG_ON(preempt_count() == 0)
==

> > @@ -207,8 +299,23 @@ clear_page_cgroup(struct page *page, str
> >  }
> >  
> >  
> > -static void __mem_cgroup_move_lists(struct page_cgroup *pc, bool active)
> > +static void __mem_cgroup_move_lists(struct page_cgroup *pc, bool active,
> > +				    struct mem_cgroup *mem)
> >  {
> 
> can mem be different from pc->mem_cgroup here?
> 

Ah, always pc->mem_cgroup. ok, I'll remove that.

Thanks,
-Kame

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