ipv4: Namespaceify tcp_max_syn_backlog knob

Different namespace application might require different maximal
number of remembered connection requests.

Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 2 deletions

diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 7f0d81c090ce..2e3807d8eba8 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -3378,9 +3378,7 @@ void __init tcp_init(void)
 
 
         cnt = tcp_hashinfo.ehash_mask + 1;
-
         sysctl_tcp_max_orphans = cnt / 2;
-        sysctl_max_syn_backlog = max(128, cnt / 256);
 
         tcp_init_mem();
         /* Set per-socket limits to no more than 1/128 the pressure threshold */