Subject: Re: [PATCH] Discard tcp out-of-order queue if system limit is reached

From: Andi Kleen <[email-masked]>
Date: Tue, 15 Apr 2008 16:58:30 +0200

Vitaliy Gusev wrote:
> Hello!
> 
> tcp_prune_queue() doesn't prune an out-of-order queue if socket
> is under rcvbuf. However even if socket is under rcvbuf but system-wide limit is
> reached then skb cannot be queued. It can lead to deadlock situation as any skb that
> fills sequence hole is dropped.
> So discard out-of-order queue if system-wide limit is reached.

Thanks. At least the description makes much more sense than before now.

Acked-by: Andi Kleen <[email-masked]>

-Andi