netdev - Re: [PATCHv2 NET-2.6 1/1] qlcnic: limit skb frags for non tso packet

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Message-Id: <20110413.115353.246527102.davem@davemloft.net>
Date:	Wed, 13 Apr 2011 11:53:53 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	amit.salecha@...gic.com
Cc:	netdev@...r.kernel.org, ameen.rahman@...gic.com,
	anirban.chakraborty@...gic.com, stable@...nel.org
Subject: Re: [PATCHv2 NET-2.6 1/1] qlcnic: limit skb frags for non tso
 packet

From: amit.salecha@...gic.com
Date: Tue, 12 Apr 2011 20:05:55 -0700

> From: Amit Kumar Salecha <amit.salecha@...gic.com>
> 
> Machines are getting deadlock in four node cluster environment.
> All nodes are accessing (find /gfs2 -depth -print|cpio -ocv > /dev/null)
> 200 GB storage on a GFS2 filesystem.
> This result in memory fragmentation and driver receives 18 frags for
> 1448 byte packets.
> For non tso packet, fw drops the tx request, if it has >14 frags.
> 
> Fixing it by pulling extra frags.
> 
> Cc: stable@...nel.org
> Signed-off-by: Amit Kumar Salecha <amit.salecha@...gic.com>

Applied.

But like Greg said, please kill that footer notice on your outgoing
emails when engaging in any discussion on a public mailing list.

Thanks.
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