Re: [PATCH v2] vmscan: limit concurrent reclaimers in shrink_zone

[KOSAKI Motohiro]

> btw, following is mesurement result by hackbench.
> ================
> 
> unit: sec
> 
> parameter			old		new
> 130 (5200 processes)		5.463		4.442
> 140 (5600 processes)		479.357		7.792
> 150 (6000 processes)		729.640		20.529

old mean mmotm1208
new mean mmotm1208 + Rik patch + my patch



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