From: Simon Horman
Date: Mon, 3 Apr 2017 15:42:58 -0400
> The last argument to __skb_header_pointer() should be a buffer large
> enough to store struct arphdr. This can be a pointer to a struct arphdr
> structure. The code was previously using a pointer to a pointer to
> struct arphdr.
>
> By m
The last argument to __skb_header_pointer() should be a buffer large
enough to store struct arphdr. This can be a pointer to a struct arphdr
structure. The code was previously using a pointer to a pointer to
struct arphdr.
By my counting the storage available both before and after is 8 bytes on
x8