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inet_diag: Add empty bucket optimization to inet_diag too
author
Andi Kleen
<ak@linux.intel.com>
Thu, 28 Aug 2008 08:09:54 +0000
(
01:09
-0700)
committer
David S. Miller
<davem@davemloft.net>
Thu, 28 Aug 2008 08:09:54 +0000
(
01:09
-0700)
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>
net/ipv4/inet_diag.c
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diff --git
a/net/ipv4/inet_diag.c
b/net/ipv4/inet_diag.c
index
c10036e
..
89cb047
100644
(file)
--- 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);