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net/tcp_fastopen: remove obsolete extern

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After cited commit, sysctl_tcp_fastopen_blackhole_timeout is no longer
a global variable.

Fixes: 3733be14a3 ("ipv4: Namespaceify tcp_fastopen_blackhole_timeout knob")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Cc: Yuchung Cheng <ycheng@google.com>
Cc: Neal Cardwell <ncardwell@google.com>
Acked-by: Wei Wang <weiwan@google.com>
Link: https://lore.kernel.org/r/20210719092028.3016745-1-eric.dumazet@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Eric Dumazet 2021-07-19 02:20:28 -07:00 committed by Jakub Kicinski
parent 2d85a1b31d
commit 749468760b
1 changed files with 0 additions and 1 deletions
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include/net/tcp.h
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@ -1709,7 +1709,6 @@ struct tcp_fastopen_context {
struct rcu_head rcu;
};
extern unsigned int sysctl_tcp_fastopen_blackhole_timeout;
void tcp_fastopen_active_disable(struct sock *sk);
bool tcp_fastopen_active_should_disable(struct sock *sk);
void tcp_fastopen_active_disable_ofo_check(struct sock *sk);