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| author | Eric Dumazet <dada1@cosmosbay.com> | 2007-11-05 23:39:16 -0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-11-07 04:08:58 -0800 |
| commit | 47a31a6ffcca3b55149bccd5b99763e5eea60ac4 (patch) | |
| tree | de45b7c03799f16e717b9bf63b249bfe5f0f19a4 | |
| parent | 286ab3d46058840d68e5d7d52e316c1f7e98c59f (diff) | |
| download | lwn-47a31a6ffcca3b55149bccd5b99763e5eea60ac4.tar.gz lwn-47a31a6ffcca3b55149bccd5b99763e5eea60ac4.zip | |
[IPV4]: Use the {DEFINE|REF}_PROTO_INUSE infrastructure
Trivial patch to make "tcp,udp,udplite,raw" protocols uses the fast
"inuse sockets" infrastructure
Each protocol use then a static percpu var, instead of a dynamic one.
This saves some ram and some cpu cycles
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/ipv4/raw.c | 3 | ||||
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 3 | ||||
| -rw-r--r-- | net/ipv4/udp.c | 3 | ||||
| -rw-r--r-- | net/ipv4/udplite.c | 3 |
4 files changed, 12 insertions, 0 deletions
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c index 3916faca3afe..66b42f547bf9 100644 --- a/net/ipv4/raw.c +++ b/net/ipv4/raw.c @@ -760,6 +760,8 @@ static int raw_ioctl(struct sock *sk, int cmd, unsigned long arg) } } +DEFINE_PROTO_INUSE(raw) + struct proto raw_prot = { .name = "RAW", .owner = THIS_MODULE, @@ -781,6 +783,7 @@ struct proto raw_prot = { .compat_setsockopt = compat_raw_setsockopt, .compat_getsockopt = compat_raw_getsockopt, #endif + REF_PROTO_INUSE(raw) }; #ifdef CONFIG_PROC_FS diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index d438dfb0c8f3..e9127cdced20 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -2417,6 +2417,8 @@ void tcp4_proc_exit(void) } #endif /* CONFIG_PROC_FS */ +DEFINE_PROTO_INUSE(tcp) + struct proto tcp_prot = { .name = "TCP", .owner = THIS_MODULE, @@ -2451,6 +2453,7 @@ struct proto tcp_prot = { .compat_setsockopt = compat_tcp_setsockopt, .compat_getsockopt = compat_tcp_getsockopt, #endif + REF_PROTO_INUSE(tcp) }; void __init tcp_v4_init(struct net_proto_family *ops) diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 4bc25b46f33f..03c400ca14c5 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1430,6 +1430,8 @@ unsigned int udp_poll(struct file *file, struct socket *sock, poll_table *wait) } +DEFINE_PROTO_INUSE(udp) + struct proto udp_prot = { .name = "UDP", .owner = THIS_MODULE, @@ -1452,6 +1454,7 @@ struct proto udp_prot = { .compat_setsockopt = compat_udp_setsockopt, .compat_getsockopt = compat_udp_getsockopt, #endif + REF_PROTO_INUSE(udp) }; /* ------------------------------------------------------------------------ */ diff --git a/net/ipv4/udplite.c b/net/ipv4/udplite.c index 94977205abb4..f5baeb3e8b85 100644 --- a/net/ipv4/udplite.c +++ b/net/ipv4/udplite.c @@ -44,6 +44,8 @@ static struct net_protocol udplite_protocol = { .no_policy = 1, }; +DEFINE_PROTO_INUSE(udplite) + struct proto udplite_prot = { .name = "UDP-Lite", .owner = THIS_MODULE, @@ -67,6 +69,7 @@ struct proto udplite_prot = { .compat_setsockopt = compat_udp_setsockopt, .compat_getsockopt = compat_udp_getsockopt, #endif + REF_PROTO_INUSE(udplite) }; static struct inet_protosw udplite4_protosw = { |