Re: Network receive stall avoidance (was [PATCH 2/9] deadlockprevention core)

From: Andrew Morton
Date: Sat Aug 19 2006 - 04:04:50 EST

On Fri, 18 Aug 2006 21:14:09 -0700
Daniel Phillips <phillips@xxxxxxxxxx> 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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