Messages in this thread | | | Date | Thu, 18 Nov 2010 08:44:55 +0000 | From | Mel Gorman <> | Subject | Re: [PATCH 0/8] Use memory compaction instead of lumpy reclaim during high-order allocations |
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On Thu, Nov 18, 2010 at 05:26:27PM +0900, KAMEZAWA Hiroyuki wrote: > On Thu, 18 Nov 2010 08:12:54 +0000 > Mel Gorman <mel@csn.ul.ie> wrote: > > > > > I'm hoping that this series also removes the > > > > necessity for the "delete lumpy reclaim" patch from the THP tree. > > > > > > Now I'm sad. I read all that and was thinking "oh goody, we get to > > > delete something for once". But no :( > > > > > > If you can get this stuff to work nicely, why can't we remove lumpy > > > reclaim? > > > > Ultimately we should be able to. Lumpy reclaim is still there for the > > !CONFIG_COMPACTION case and to have an option if we find that compaction > > behaves badly for some reason. > > > > Hmm. CONFIG_COMPACTION depends on CONFIG_MMU. lumpy reclaim will be for NOMMU, > finally ? >
Also true. As it is, lumpy reclaim is still there but it's never called if CONFIG_COMPACTION is set so it's already side-lined.
-- Mel Gorman Part-time Phd Student Linux Technology Center University of Limerick IBM Dublin Software Lab
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