diff options
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
-rw-r--r-- | net/ipv4/tcp_ipv4.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 56b5f49e3f97..7e4be4f361f3 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -2419,7 +2419,7 @@ static void __net_exit tcp_sk_exit(struct net *net) static int __net_init tcp_sk_init(struct net *net) { - int res, cpu; + int res, cpu, cnt; net->ipv4.tcp_sk = alloc_percpu(struct sock *); if (!net->ipv4.tcp_sk) @@ -2458,10 +2458,13 @@ static int __net_init tcp_sk_init(struct net *net) net->ipv4.sysctl_tcp_notsent_lowat = UINT_MAX; net->ipv4.sysctl_tcp_tw_reuse = 0; + cnt = tcp_hashinfo.ehash_mask + 1; net->ipv4.tcp_death_row.sysctl_tw_recycle = 0; - net->ipv4.tcp_death_row.sysctl_max_tw_buckets = (tcp_hashinfo.ehash_mask + 1) / 2; + net->ipv4.tcp_death_row.sysctl_max_tw_buckets = (cnt + 1) / 2; net->ipv4.tcp_death_row.hashinfo = &tcp_hashinfo; + net->ipv4.sysctl_max_syn_backlog = max(128, cnt / 256); + return 0; fail: tcp_sk_exit(net); |