Messages in this thread | | | Date | Wed, 17 Nov 2010 15:46:41 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH 0/8] Use memory compaction instead of lumpy reclaim during high-order allocations |
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On Wed, 17 Nov 2010 16:22:41 +0000 Mel Gorman <mel@csn.ul.ie> wrote:
> Huge page allocations are not expected to be cheap but lumpy reclaim > is still very disruptive.
Huge pages are boring. Can we expect any benefit for the stupid-nic-driver-which-does-order-4-GFP_ATOMIC-allocations problem?
> > ... > > I haven't pushed hard on the concept of lumpy compaction yet and right > now I don't intend to during this cycle. The initial prototypes did not > behave as well as expected and this series improves the current situation > a lot without introducing new algorithms. Hence, I'd like this series to > be considered for merging.
Translation: "Andrew, wait for the next version"? :)
> 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?
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