RE: Are "skb->data" physically continuous?

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> allocated skb). And yes, this does make the kernel find the 
> checksum failure 
> by rechecking the checksum itself. While this mean double 
> work, checksum 
> failures are assumed to be rare so this shouldn't be a 
> performance problem.

Rare unless someone intentionally sends many packets with bad checksums in
order to increase the load.  Of course, nobody on the Internet is so
malicious, so it's probably safe to disregard it.
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