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Date: Thu, 18 Sep 2008 15:58:26 +0900 (JST)
From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: "MinChan Kim" <minchan.kim@gmail.com>
Subject: Re: Populating multiple ptes at fault time
Cc: kosaki.motohiro@jp.fujitsu.com, "Jeremy Fitzhardinge" <jeremy@goop.org>,
       "Rik van Riel" <riel@redhat.com>,
       "Andrew Morton" <akpm@linux-foundation.org>,
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> Hi, all
> 
> I have been thinking about this idea in native.
> I didn't consider it in minor page fault.
> As you know, it costs more cheap than major fault.
> However, the page fault is one of big bottleneck on demand-paging system.
> I think major fault might be a rather big overhead in many core system.
> 
> What do you think about this idea in native ?
> Do you really think that this idea don't help much in native ?
> 
> If I implement it in native, What kinds of benchmark do I need?
> Could you recommend any benchmark ?

I guess it is also useful for native.
Then, if you post patch & benchmark result, I'll review it with presusure.