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4165079ba3
Remove skb->sp and allocate secpath storage via extension infrastructure. This also reduces sk_buff by 8 bytes on x86_64. Total size of allyesconfig kernel is reduced slightly, as there is less inlined code (one conditional atomic op instead of two on skb_clone). No differences in throughput in following ipsec performance tests: - transport mode with aes on 10GB link - tunnel mode between two network namespaces with aes and null cipher Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>