Re: [PATCH 8/8] Add VM counters for transparent hugepages

[KOSAKI Motohiro]

> > Don't we need to make per zone stastics? I'm afraid small dma zone 
> > makes much thp-splitting and screw up this stastics.
> 
> Does it? I haven't seen that so far.
> 
> If it happens a lot it would be better to disable THP for the 16MB DMA
> zone at least. Or did you mean the 4GB zone?

I assumered 4GB. And cpusets/mempolicy binding might makes similar 
issue. It can make only one zone high pressure.

But, hmmm...
Do you mean you don't hit any issue then? I don't think do don't tested
NUMA machine. So, it has  no practical problem I can agree this.

Thanks.



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