Re: [PATCH] Deadlock during heavy write activity to userspace NFS

[Ulrich Weigand]

Nick Piggin wrote:

> Avi Kivity wrote:
> > The kernel NFS client (which kswapd depends on) has the same issue. Has 
> > anyone ever observed kswapd deadlock due to imcoming or outgoing NFS 
> > packets being discarded due to oom?
> > 
> 
> Yes this has been observed.
> 
> alloc_skb on the client needs to somehow know that traffic coming
> from the server is "MEMALLOC" and allowed to use memory reserves.

What would be an appropriate way to solve this problem? A special
socket option?

Bye,
Ulrich

-- 
  Dr. Ulrich Weigand
  weigand@xxxxxxxxxxxxxxxxxxxxxxxxxx
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