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authorEric Dumazet <eric.dumazet@gmail.com>2009-10-09 00:16:19 +0000
committerDavid S. Miller <davem@davemloft.net>2009-10-13 03:44:02 -0700
commitf373b53b5fe67aa4a6f28f921a529cc90f88e79b (patch)
treeb2cae9152aed2e30b7a39c114678b9355ab5c14f /net/ipv4/tcp_ipv4.c
parentc3faca053d0a9c877597935b434150b422dbc6fb (diff)
downloadop-kernel-dev-f373b53b5fe67aa4a6f28f921a529cc90f88e79b.zip
op-kernel-dev-f373b53b5fe67aa4a6f28f921a529cc90f88e79b.tar.gz
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.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 7cda24b..9971870 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));
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