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From: David Miller <davem@davemloft.net>
Subject: Re: Performance regression on kernels 3.10 and newer
Date: Thu, 21 Aug 2014 16:51:36 -0700 (PDT)
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From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Fri, 15 Aug 2014 10:15:15 -0700

> This is one of the reasons why I keep asking if someone can tell me
> what the use case is for this where it performs well.

It allows the TCP connection to be paced by the process scheduler's
ability to put the thread doing the I/O on a cpu.