Re: [PATCH net-next RFC] net: increase LL_MAX_HEADER for Hyper-V

[David Miller]

From: David Laight <David.Laight@xxxxxxxxxx>
Date: Wed, 16 Sep 2015 16:25:03 +0000

> Am I right in thinking this is adding an extra 96 unused bytes to the front
> of almost all skb just so that hyper-v can make its link level header
> contiguous with whatever follows (IP header ?).
> 
> Doesn't sound ideal.

Agreed, this is rediculous, and the entire stack will incur this cost
just because hyperv is enabled in the kernel config.
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