Date: Sat, 19 Aug 2006 00:28:48 -0700
From: Andrew Morton <akpm@osdl.org>
To: Daniel Phillips <phillips@google.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
       David Miller <davem@davemloft.net>, riel@redhat.com, tgraf@suug.ch,
       linux-mm@kvack.org, linux-kernel@vger.kernel.org,
       netdev@vger.kernel.org, Mike Christie <michaelc@cs.wisc.edu>
Subject: Re: Network receive stall avoidance (was [PATCH 2/9] deadlock
 prevention core)
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On Fri, 18 Aug 2006 21:14:09 -0700
Daniel Phillips <phillips@google.com> wrote:

> So rather than just the word deadlock, let us add "or atomic 0 order
> alloc failure during TCP receive" to the challenge.  Fair?

If it's significantly performance-affecting in any way which is at all likely to 
affect anyone, sure.

You can get those warnings now with regular networking using e1000, due to
a combination of excessive default rx ringsize and incorrect VM tuning.
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