netdev - Re: [PATCH] tcp: ensure epoll edge trigger wakeup when out of memory

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Message-Id: <20150519.000945.697478668443801629.davem@davemloft.net>
Date:	Tue, 19 May 2015 00:09:45 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	jbaron@...mai.com
Cc:	edumazet@...gle.com, netdev@...r.kernel.org, ncardwell@...gle.com,
	ycheng@...gle.com
Subject: Re: [PATCH] tcp: ensure epoll edge trigger wakeup when out of
 memory

From: Jason Baron <jbaron@...mai.com>
Date: Fri, 15 May 2015 21:17:07 +0000 (GMT)

> From: Jason Baron <jbaron@...mai.com>
> 
> If we really can't get an skb allocated, make sure that we let
> userspace know. This at least gives us a chance to re-try or abort.
> 
> Signed-off-by: Jason Baron <jbaron@...mai.com>

Applied to net-next, thanks Jason.

Eric asked if we should perhaps return -ENOMEM here, and I'm not so
sure that's a good idea.  It is in a way a temporary failure that
should be retried.
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