Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=47a31a6ffcca3b55149bccd5b99763e5eea60ac4
Commit: 47a31a6ffcca3b55149bccd5b99763e5eea60ac4
Parent: 286ab3d46058840d68e5d7d52e316c1f7e98c59f
Author: Eric Dumazet <[EMAIL PROTECTED]>
AuthorDate: Mon Nov 5 23:39:16 2007 -0800
Committer: David S. Miller <[EMAIL PROTECTED]>
CommitDate: Wed Nov 7 04:08:58 2007 -0800
[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 <[EMAIL PROTECTED]>
Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
---
net/ipv4/raw.c | 3 +++
net/ipv4/tcp_ipv4.c | 3 +++
net/ipv4/udp.c | 3 +++
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 3916fac..66b42f5 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 d438dfb..e9127cd 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 4bc25b4..03c400c 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 9497720..f5baeb3 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 = {
-
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