From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dmitry Vyal <dmitryvyal-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: How to fight forwarding performance regression on
 large mempool sizes.
Date: Sun, 22 Sep 2013 23:03:40 +0400
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On 09/20/2013 07:34 PM, Robert Sanford wrote:
> One more point, if you're not doing this already: Allocate 2^N-1 
> mbufs, not 2^N. According to the code and comments: "The optimum size 
> (in terms of memory usage) for a mempool is when n is a power of two 
> minus one: n = (2^q - 1)."
>
Many thanks! Didn't know about it.