From 6be547a61d6220199826070cda792297c3d15994 Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Thu, 28 Aug 2008 01:09:54 -0700 Subject: [PATCH] inet_diag: Add empty bucket optimization to inet_diag too Skip quickly over empty buckets in inet_diag. Signed-off-by: Andi Kleen Signed-off-by: David S. Miller --- net/ipv4/inet_diag.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c index c10036e7a463..89cb047ab314 100644 --- a/net/ipv4/inet_diag.c +++ b/net/ipv4/inet_diag.c @@ -782,11 +782,15 @@ skip_listen_ht: struct sock *sk; struct hlist_node *node; + num = 0; + + if (hlist_empty(&head->chain) && hlist_empty(&head->twchain)) + continue; + if (i > s_i) s_num = 0; read_lock_bh(lock); - num = 0; sk_for_each(sk, node, &head->chain) { struct inet_sock *inet = inet_sk(sk); -- 2.30.2