diff options
| author | Eric Dumazet <eric.dumazet@gmail.com> | 2009-10-09 00:16:19 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-10-13 03:44:02 -0700 |
| commit | f373b53b5fe67aa4a6f28f921a529cc90f88e79b (patch) | |
| tree | b2cae9152aed2e30b7a39c114678b9355ab5c14f /net/ipv4/tcp_ipv4.c | |
| parent | c3faca053d0a9c877597935b434150b422dbc6fb (diff) | |
| download | lwn-f373b53b5fe67aa4a6f28f921a529cc90f88e79b.tar.gz lwn-f373b53b5fe67aa4a6f28f921a529cc90f88e79b.zip | |
tcp: replace ehash_size by ehash_mask
Storing the mask (size - 1) instead of the size allows fast path to be
a bit faster.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 7cda24b53f61..99718703d040 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -2000,7 +2000,7 @@ static void *established_get_first(struct seq_file *seq) struct net *net = seq_file_net(seq); void *rc = NULL; - for (st->bucket = 0; st->bucket < tcp_hashinfo.ehash_size; ++st->bucket) { + for (st->bucket = 0; st->bucket <= tcp_hashinfo.ehash_mask; ++st->bucket) { struct sock *sk; struct hlist_nulls_node *node; struct inet_timewait_sock *tw; @@ -2061,10 +2061,10 @@ get_tw: st->state = TCP_SEQ_STATE_ESTABLISHED; /* Look for next non empty bucket */ - while (++st->bucket < tcp_hashinfo.ehash_size && + while (++st->bucket <= tcp_hashinfo.ehash_mask && empty_bucket(st)) ; - if (st->bucket >= tcp_hashinfo.ehash_size) + if (st->bucket > tcp_hashinfo.ehash_mask) return NULL; spin_lock_bh(inet_ehash_lockp(&tcp_hashinfo, st->bucket)); |