Re: [patch V3] percpu_counter: scalability works

[Tejun Heo]

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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/