Messages in this thread | | | Date | Wed, 19 Aug 2009 10:08:44 +0100 | From | Mel Gorman <> | Subject | Re: [RFC PATCH 0/3] Reduce searching in the page allocator fast-path |
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On Tue, Aug 18, 2009 at 03:05:25PM -0400, Christoph Lameter wrote: > On Tue, 18 Aug 2009, Mel Gorman wrote: > > > Can you point me to which patchset you are talking about specifically that > > uses per-cpu atomics in the hot path? There are a lot of per-cpu patches > > related to you that have been posted in the last few months and I'm not sure > > what any of their merge status' is. > > The following patch just moved the page allocator to use the new per cpu > allocator. It does not use per cpu atomic yet but its possible then. > > http://marc.info/?l=linux-mm&m=124527414206546&w=2 >
Ok, I don't see this particular patch merged, is it in a merge queue somewhere?
After glancing through, I can see how it might help. I'm going to drop patch 3 of this set that shuffles data from the PCP to the zone and take a closer look at those patches. Patch 1 and 2 of this set should still go ahead. Do you agree?
-- Mel Gorman Part-time Phd Student Linux Technology Center University of Limerick IBM Dublin Software Lab
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