From d3593b5cef76db45c864de23c599b58198879e8c Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
Date: Fri, 20 Mar 2015 17:15:19 -0700
Subject: [PATCH] Revert "selinux: add a skb_owned_by() hook"

This reverts commit ca10b9e9a8ca7342ee07065289cbe74ac128c169.

No longer needed after commit eb8895debe1baba41fcb62c78a16f0c63c21662a
("tcp: tcp_make_synack() should use sock_wmalloc")

When under SYNFLOOD, we build lot of SYNACK and hit false sharing
because of multiple modifications done on sk_listener->sk_wmem_alloc

Since tcp_make_synack() uses sock_wmalloc(), there is no need
to call skb_set_owner_w() again, as this adds two atomic operations.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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