Messages in this thread | | | Date | Tue, 17 May 2011 15:04:14 +0200 | From | Tejun Heo <> | Subject | Re: [patch V3] percpu_counter: scalability works |
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Hello,
On Tue, May 17, 2011 at 03:00:23PM +0200, Eric Dumazet wrote: > Absolutely not. Its slow path yes, but not super-slow.
I was speaking in relative terms. We're talking about local only fast path vs. something which hits every percpu counter likely causing cache misses in many of them. It's bound to be multiple orders of magnitude heavier than fast path.
Thanks.
-- tejun
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