diff options
| author | Andi Kleen | 2008-08-28 10:09:54 +0200 |
|---|---|---|
| committer | David S. Miller | 2008-08-28 10:09:54 +0200 |
| commit | 6be547a61d6220199826070cda792297c3d15994 (patch) | |
| tree | 12e5b2bff9572519968677172fa5bed9b27ca489 /net/ipv4/inet_diag.c | |
| parent | tcp: Skip empty hash buckets faster in /proc/net/tcp (diff) | |
| download | kernel-qcow2-linux-6be547a61d6220199826070cda792297c3d15994.tar.gz kernel-qcow2-linux-6be547a61d6220199826070cda792297c3d15994.tar.xz kernel-qcow2-linux-6be547a61d6220199826070cda792297c3d15994.zip | |
inet_diag: Add empty bucket optimization to inet_diag too
Skip quickly over empty buckets in inet_diag.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/inet_diag.c')
| -rw-r--r-- | net/ipv4/inet_diag.c | 6 |
1 files changed, 5 insertions, 1 deletions
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); |