From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net] net/mlx5e: Do not recycle pages from emergency
 reserve
Date: Fri, 20 Jan 2017 12:43:01 -0500 (EST)
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From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 18 Jan 2017 23:03:08 -0800

> From: Eric Dumazet <edumazet@google.com>
> 
> A driver using dev_alloc_page() must not reuse a page allocated from
> emergency memory reserve.
> 
> Otherwise all packets using this page will be immediately dropped,
> unless for very specific sockets having SOCK_MEMALLOC bit set.
> 
> This issue might be hard to debug, because only a fraction of received
> packets would be dropped.
> 
> Fixes: 4415a0319f92 ("net/mlx5e: Implement RX mapped page cache for page recycle")
> Signed-off-by: Eric Dumazet <edumazet@google.com>

Applied and queued up for -stable, thanks.