Messages in this thread | | | Date | Fri, 9 Apr 2004 22:51:03 +0100 (BST) | From | Hugh Dickins <> | Subject | Re: [PATCH] anobjrmap 9 priority mjb tree |
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On Fri, 9 Apr 2004, Martin J. Bligh wrote: > > This anobjrmap 9 (or anon_mm9) patch adds Rajesh's radix priority search > > tree on top of Martin's 2.6.5-rc3-mjb2 tree, making a priority mjb tree! > > Approximately equivalent to Andrea's 2.6.5-aa1, but using anonmm instead > > of anon_vma, and of course each tree has its own additional features. > > This slows down kernel compile a little, but worse, it slows down SDET > by about 25% (on the 16x). I think you did something horrible to sem > contention ... presumably i_shared_sem, which SDET was fighting with > as it was anyway ;-( > > Diffprofile shows: > > 122626 15.7% total > 44129 790.0% __down > 20988 4.1% default_idle
Many thanks for the good news, Martin ;) Looks like I've done something very stupid, perhaps a mismerge. Not found it yet, I'll carry on looking tomorrow.
Hugh
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