Re: Van Jacobson's net channels and real-time
From: Ingo Oeser
Date: Sun Apr 23 2006 - 10:18:05 EST
Hi Dave,
On Sunday, 23. April 2006 07:56, David S. Miller wrote:
> > If cacheline bouncing because of the shared filled_entries becomes an issue,
> > you are receiving or sending a lot.
>
> Cacheline bouncing is the core issue being addressed by this
> data structure, so we really can't consider your idea seriously.
Ok, I can see it now more clearly. Many thanks for clearing that up
in the other replies. I had a major misunderstanding there.
> I've just got an off-by-one error, no need to wreck the entire
> data structure just to solve that :-)
Yes, you are right. But even then I can still implement the
reserve/commit once you provide the helpers for
producer_space and consumer_space.
Regards
Ingo Oeser
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