Messages in this thread | | | From | KOSAKI Motohiro <> | Subject | Re: fadvise DONTNEED implementation (or lack thereof) | Date | Mon, 15 Nov 2010 18:10:49 +0900 (JST) |
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> > I wonder what's the problem in Peter's patch 'drop behind'. > > http://www.mail-archive.com/linux-kernel@vger.kernel.org/msg179576.html > > > > Could anyone tell me why it can't accept upstream? > > Read the thread, its quite clear nobody got convinced it was a good idea > and wanted to fix the use-once policy, then Rik rewrote all of > page-reclaim.
If my understand is correct, rsync touch data twice (for a hash calculation and for a copy). then, currect used-once-heuristics seems still doesn't work.
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