Messages in this thread |  | | | Date | Tue, 15 Jan 2008 18:03:38 +0900 | | From | KOSAKI Motohiro <> | | Subject | Re: [RFC] mmaped copy too slow? | |
Hi Peter,
> > > While being able to deal with used-once mappings in page reclaim
> > > could be a good idea, this would require us to be able to determine
> > > the difference between a page that was accessed once since it was
> > > faulted in and a page that got accessed several times.
> >
> > it makes sense that read ahead hit assume used-once mapping, may be.
> > I will try it.
>
> I once had a patch that made read-ahead give feedback into page reclaim,
> but people didn't like it.
Could you please tell me your mail subject or URL?
I hope know why people didn't like.
thanks
- kosaki
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