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ipv4: Namespaceify tcp_max_syn_backlog knob

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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>
This commit is contained in:
Haishuang Yan
2016-12-28 17:52:33 +08:00
committed by David S. Miller
parent 1946e672c1
commit fee83d097b
7 changed files with 16 additions and 18 deletions
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net/ipv4/tcp.c
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@@ -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 */