Re: workaround large MTU and N-order allocation failures

[Dan Aloni]

On Mon, Sep 19, 2005 at 01:08:22AM +0200, Francois Romieu wrote:
> Dan Aloni <da-x@xxxxxxxxxxxxx> :
> [...]
> > The problem with large MTU is external memory fragmentation in
> > the buddy system following high workload, causing alloc_skb() to 
> > fail.
> 
> If the issue hits the Rx path, it is probably the responsibility of
> the device driver. Which kind of hardware do you use ?

We are using a SuperMicro board and the network driver is e1000. The
revision of the chipset is 82546GB-copper (maps to e1000_82546_rev_3).

This particular chipset does not support packet splitting, so we
are looking for a hack on the skb layer.

-- 
Dan Aloni
da-x@xxxxxxxxxxxxx, da-x@xxxxxxxxxxx, da-x@xxxxxxx
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