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Re: netif_rx packet dumping

To: netdev@xxxxxxxxxxx
Subject: Re: netif_rx packet dumping
From: Jason Lunz <lunz@xxxxxxxxxxxx>
Date: Fri, 4 Mar 2005 19:49:33 +0000 (UTC)
Organization: PBR Streetgang
References: <20050303123811.4d934249@dxpl.pdx.osdl.net> <20050303125556.6850cfe5.davem@davemloft.net> <1109884688.1090.282.camel@jzny.localdomain> <20050303132143.7eef517c@dxpl.pdx.osdl.net> <1109885065.1098.285.camel@jzny.localdomain> <20050303133237.5d64578f.davem@davemloft.net> <20050303135416.0d6e7708@dxpl.pdx.osdl.net>
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shemminger@xxxxxxxx said:
>> We should eliminate the max backlog thing completely.  There is
>> no need for it.
>
> Still need some bound, because if process_backlog is running slower
> than the net; then the queue could grow till memory exhausted from
> skbuff's. 

yes. I eliminated netdev_max_backlog long ago in an experiment with a
2.4 kernel, and it became quite easy to consume huge amounts of kernel
memory.

Jason


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