Messages in this thread | | | Subject | Re: 20% performance drop on PostgreSQL 9.2 from kernel 3.5.3 to 3.6-rc5 on AMD chipsets - bisected | From | Peter Zijlstra <> | Date | Mon, 24 Sep 2012 18:07:43 +0200 |
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On Mon, 2012-09-24 at 08:52 -0700, Linus Torvalds wrote: > Your patch looks odd, though. Why do you use some complex initial > value for 'candidate' (nr_cpu_ids) instead of a simple and readable > one (-1)?
nr_cpu_ids is the typical no-value value for cpumask operations -- yes this is annoying and I keep doing it wrong far too often.
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