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.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/