From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martin KaFai Lau Subject: [PATCH v2 net-next 4/4] tcp: Enable 2nd listener hashtable in TCP Date: Fri, 1 Dec 2017 12:52:32 -0800 Message-ID: <20171201205232.3012584-5-kafai@fb.com> References: <20171201205232.3012584-1-kafai@fb.com> Mime-Version: 1.0 Content-Type: text/plain Cc: "David S . Miller" , Eric Dumazet , Kernel Team To: netdev Return-path: Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:45008 "EHLO mx0b-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750914AbdLAUwf (ORCPT ); Fri, 1 Dec 2017 15:52:35 -0500 Received: from pps.filterd (m0109331.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id vB1KmClP007943 for ; Fri, 1 Dec 2017 12:52:34 -0800 Received: from mail.thefacebook.com ([199.201.64.23]) by mx0a-00082601.pphosted.com with ESMTP id 2ekaauh0c1-3 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT) for ; Fri, 01 Dec 2017 12:52:34 -0800 In-Reply-To: <20171201205232.3012584-1-kafai@fb.com> Sender: netdev-owner@vger.kernel.org List-ID: Enable the second listener hashtable in TCP. The scale is the same as UDP which is one slot per 2MB. Signed-off-by: Martin KaFai Lau Reviewed-by: Eric Dumazet --- net/ipv4/tcp.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index bf97317e6c97..180311636023 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -3577,6 +3577,9 @@ void __init tcp_init(void) percpu_counter_init(&tcp_sockets_allocated, 0, GFP_KERNEL); percpu_counter_init(&tcp_orphan_count, 0, GFP_KERNEL); inet_hashinfo_init(&tcp_hashinfo); + inet_hashinfo2_init(&tcp_hashinfo, "tcp_listen_portaddr_hash", + thash_entries, 21, /* one slot per 2 MB*/ + 0, 64 * 1024); tcp_hashinfo.bind_bucket_cachep = kmem_cache_create("tcp_bind_bucket", sizeof(struct inet_bind_bucket), 0, -- 2.9.5