Found it...
http://www.dpdk.org/ml/archives/dev/2015-December/030564.html


-- Stephen Hurd


-----Original Message-----
From: Bruce Richardson [mailto:bruce.richardson@intel.com] 
Sent: Thursday, January 14, 2016 5:44 AM
To: Stephen Hurd
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v2] app/testpmd Fix max_socket detection

On Wed, Jan 13, 2016 at 02:23:36PM -0800, Stephen Hurd wrote:

Previously, max_socket was set to the highest numbered socket with
an enabled lcore.  The intent is to set it to the highest socket
regardless of it being enabled.

Can you clarify why this changes is necessary? Is it causing a bug somewhere?

thanks,
/Bruce