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Date: Mon, 9 Mar 2009 11:18:29 -0700
From: Stephen Hemminger <shemminger@...tta.com>
To: David Miller <davem@...emloft.net>
Cc: netdev@...r.kernel.org
Subject: [PATCH] net: convert usage of packet_type to read_mostly
Protocols that use packet_type can be __read_mostly section for better
locality. Elminate any unnecessary initializations of NULL.
Signed-off-by: Stephen Hemminger <shemminger@...tta.com>
---
Patch against net-next-2.6
drivers/block/aoe/aoenet.c | 2 +-
drivers/net/hamradio/bpqether.c | 2 +-
drivers/net/pppoe.c | 6 +++---
drivers/net/wan/hdlc.c | 2 +-
drivers/net/wan/lapbether.c | 2 +-
net/8021q/vlan.c | 2 +-
net/appletalk/ddp.c | 4 ++--
net/ax25/af_ax25.c | 3 +--
net/decnet/af_decnet.c | 3 +--
net/dsa/tag_dsa.c | 2 +-
net/dsa/tag_edsa.c | 2 +-
net/dsa/tag_trailer.c | 2 +-
net/econet/af_econet.c | 2 +-
net/ipv4/af_inet.c | 2 +-
net/ipv4/arp.c | 2 +-
net/ipv6/af_inet6.c | 2 +-
net/ipx/af_ipx.c | 4 ++--
net/irda/irmod.c | 2 +-
net/llc/llc_core.c | 4 ++--
net/phonet/af_phonet.c | 3 +--
net/x25/af_x25.c | 2 +-
21 files changed, 26 insertions(+), 29 deletions(-)
--- a/drivers/block/aoe/aoenet.c 2009-03-09 09:43:40.160185325 -0700
+++ b/drivers/block/aoe/aoenet.c 2009-03-09 09:44:22.876372397 -0700
@@ -151,7 +151,7 @@ exit:
return 0;
}
-static struct packet_type aoe_pt = {
+static struct packet_type aoe_pt __read_mostly = {
.type = __constant_htons(ETH_P_AOE),
.func = aoenet_rcv,
};
--- a/drivers/net/pppoe.c 2009-03-09 09:43:40.165246373 -0700
+++ b/drivers/net/pppoe.c 2009-03-09 09:44:22.876372397 -0700
@@ -513,17 +513,17 @@ out:
return NET_RX_SUCCESS; /* Lies... :-) */
}
-static struct packet_type pppoes_ptype = {
+static struct packet_type pppoes_ptype __read_mostly = {
.type = cpu_to_be16(ETH_P_PPP_SES),
.func = pppoe_rcv,
};
-static struct packet_type pppoed_ptype = {
+static struct packet_type pppoed_ptype __read_mostly = {
.type = cpu_to_be16(ETH_P_PPP_DISC),
.func = pppoe_disc_rcv,
};
-static struct proto pppoe_sk_proto = {
+static struct proto pppoe_sk_proto __read_mostly = {
.name = "PPPOE",
.owner = THIS_MODULE,
.obj_size = sizeof(struct pppox_sock),
--- a/drivers/net/wan/hdlc.c 2009-03-09 09:43:40.170246385 -0700
+++ b/drivers/net/wan/hdlc.c 2009-03-09 09:44:22.877372392 -0700
@@ -348,7 +348,7 @@ EXPORT_SYMBOL(unregister_hdlc_protocol);
EXPORT_SYMBOL(attach_hdlc_protocol);
EXPORT_SYMBOL(detach_hdlc_protocol);
-static struct packet_type hdlc_packet_type = {
+static struct packet_type hdlc_packet_type __read_mostly = {
.type = cpu_to_be16(ETH_P_HDLC),
.func = hdlc_rcv,
};
--- a/net/8021q/vlan.c 2009-03-09 09:43:40.086121449 -0700
+++ b/net/8021q/vlan.c 2009-03-09 09:44:22.878373324 -0700
@@ -51,7 +51,7 @@ const char vlan_version[] = DRV_VERSION;
static const char vlan_copyright[] = "Ben Greear <greearb@...delatech.com>";
static const char vlan_buggyright[] = "David S. Miller <davem@...hat.com>";
-static struct packet_type vlan_packet_type = {
+static struct packet_type vlan_packet_type __read_mostly = {
.type = cpu_to_be16(ETH_P_8021Q),
.func = vlan_skb_recv, /* VLAN receive method */
};
--- a/net/ax25/af_ax25.c 2009-03-09 09:43:40.125024482 -0700
+++ b/net/ax25/af_ax25.c 2009-03-09 09:44:22.879372577 -0700
@@ -1985,9 +1985,8 @@ static const struct proto_ops ax25_proto
/*
* Called by socket.c on kernel start up
*/
-static struct packet_type ax25_packet_type = {
+static struct packet_type ax25_packet_type __read_mostly = {
.type = cpu_to_be16(ETH_P_AX25),
- .dev = NULL, /* All devices */
.func = ax25_kiss_rcv,
};
--- a/drivers/net/wan/lapbether.c 2009-03-09 09:43:40.175246372 -0700
+++ b/drivers/net/wan/lapbether.c 2009-03-09 09:44:22.880001567 -0700
@@ -421,7 +421,7 @@ static int lapbeth_device_event(struct n
/* ------------------------------------------------------------------------ */
-static struct packet_type lapbeth_packet_type = {
+static struct packet_type lapbeth_packet_type __read_mostly = {
.type = cpu_to_be16(ETH_P_DEC),
.func = lapbeth_rcv,
};
--- a/net/appletalk/ddp.c 2009-03-09 09:43:40.142184792 -0700
+++ b/net/appletalk/ddp.c 2009-03-09 09:44:22.880001567 -0700
@@ -1860,12 +1860,12 @@ static struct notifier_block ddp_notifie
.notifier_call = ddp_device_event,
};
-static struct packet_type ltalk_packet_type = {
+static struct packet_type ltalk_packet_type __read_mostly = {
.type = cpu_to_be16(ETH_P_LOCALTALK),
.func = ltalk_rcv,
};
-static struct packet_type ppptalk_packet_type = {
+static struct packet_type ppptalk_packet_type __read_mostly = {
.type = cpu_to_be16(ETH_P_PPPTALK),
.func = atalk_rcv,
};
--- a/net/dsa/tag_dsa.c 2009-03-09 09:43:40.091122061 -0700
+++ b/net/dsa/tag_dsa.c 2009-03-09 09:44:22.881372201 -0700
@@ -175,7 +175,7 @@ out:
return 0;
}
-static struct packet_type dsa_packet_type = {
+static struct packet_type dsa_packet_type __read_mostly = {
.type = cpu_to_be16(ETH_P_DSA),
.func = dsa_rcv,
};
--- a/net/dsa/tag_edsa.c 2009-03-09 09:43:40.102122541 -0700
+++ b/net/dsa/tag_edsa.c 2009-03-09 09:44:22.881372201 -0700
@@ -194,7 +194,7 @@ out:
return 0;
}
-static struct packet_type edsa_packet_type = {
+static struct packet_type edsa_packet_type __read_mostly = {
.type = cpu_to_be16(ETH_P_EDSA),
.func = edsa_rcv,
};
--- a/net/dsa/tag_trailer.c 2009-03-09 09:43:40.096122310 -0700
+++ b/net/dsa/tag_trailer.c 2009-03-09 09:44:22.881372201 -0700
@@ -111,7 +111,7 @@ out:
return 0;
}
-static struct packet_type trailer_packet_type = {
+static struct packet_type trailer_packet_type __read_mostly = {
.type = cpu_to_be16(ETH_P_TRAILER),
.func = trailer_rcv,
};
--- a/net/econet/af_econet.c 2009-03-09 09:43:40.113122606 -0700
+++ b/net/econet/af_econet.c 2009-03-09 09:44:22.882372380 -0700
@@ -1102,7 +1102,7 @@ drop:
return NET_RX_DROP;
}
-static struct packet_type econet_packet_type = {
+static struct packet_type econet_packet_type __read_mostly = {
.type = cpu_to_be16(ETH_P_ECONET),
.func = econet_rcv,
};
--- a/net/ipv4/af_inet.c 2009-03-09 09:43:40.153185267 -0700
+++ b/net/ipv4/af_inet.c 2009-03-09 09:44:22.883002825 -0700
@@ -1500,7 +1500,7 @@ static int ipv4_proc_init(void);
* IP protocol layer initialiser
*/
-static struct packet_type ip_packet_type = {
+static struct packet_type ip_packet_type __read_mostly = {
.type = cpu_to_be16(ETH_P_IP),
.func = ip_rcv,
.gso_send_check = inet_gso_send_check,
--- a/net/ipv4/arp.c 2009-03-09 09:43:40.147184736 -0700
+++ b/net/ipv4/arp.c 2009-03-09 09:44:22.884372318 -0700
@@ -1225,7 +1225,7 @@ void arp_ifdown(struct net_device *dev)
* Called once on startup.
*/
-static struct packet_type arp_packet_type = {
+static struct packet_type arp_packet_type __read_mostly = {
.type = cpu_to_be16(ETH_P_ARP),
.func = arp_rcv,
};
--- a/net/ipv6/af_inet6.c 2009-03-09 09:43:40.131121332 -0700
+++ b/net/ipv6/af_inet6.c 2009-03-09 09:44:22.884372318 -0700
@@ -893,7 +893,7 @@ out_unlock:
return err;
}
-static struct packet_type ipv6_packet_type = {
+static struct packet_type ipv6_packet_type __read_mostly = {
.type = cpu_to_be16(ETH_P_IPV6),
.func = ipv6_rcv,
.gso_send_check = ipv6_gso_send_check,
--- a/net/ipx/af_ipx.c 2009-03-09 09:43:40.108121400 -0700
+++ b/net/ipx/af_ipx.c 2009-03-09 09:44:22.885372280 -0700
@@ -1958,12 +1958,12 @@ static const struct proto_ops SOCKOPS_WR
SOCKOPS_WRAP(ipx_dgram, PF_IPX);
-static struct packet_type ipx_8023_packet_type = {
+static struct packet_type ipx_8023_packet_type __read_mostly = {
.type = cpu_to_be16(ETH_P_802_3),
.func = ipx_rcv,
};
-static struct packet_type ipx_dix_packet_type = {
+static struct packet_type ipx_dix_packet_type __read_mostly = {
.type = cpu_to_be16(ETH_P_IPX),
.func = ipx_rcv,
};
--- a/net/llc/llc_core.c 2009-03-09 09:43:40.081121598 -0700
+++ b/net/llc/llc_core.c 2009-03-09 09:44:22.886372276 -0700
@@ -147,12 +147,12 @@ void llc_sap_close(struct llc_sap *sap)
kfree(sap);
}
-static struct packet_type llc_packet_type = {
+static struct packet_type llc_packet_type __read_mostly = {
.type = cpu_to_be16(ETH_P_802_2),
.func = llc_rcv,
};
-static struct packet_type llc_tr_packet_type = {
+static struct packet_type llc_tr_packet_type __read_mostly = {
.type = cpu_to_be16(ETH_P_TR_802_2),
.func = llc_rcv,
};
--- a/net/phonet/af_phonet.c 2009-03-09 09:43:40.136123098 -0700
+++ b/net/phonet/af_phonet.c 2009-03-09 09:44:22.886372276 -0700
@@ -382,9 +382,8 @@ out:
return NET_RX_DROP;
}
-static struct packet_type phonet_packet_type = {
+static struct packet_type phonet_packet_type __read_mostly = {
.type = cpu_to_be16(ETH_P_PHONET),
- .dev = NULL,
.func = phonet_rcv,
};
--- a/net/x25/af_x25.c 2009-03-09 09:43:40.119121618 -0700
+++ b/net/x25/af_x25.c 2009-03-09 09:44:22.887372330 -0700
@@ -1608,7 +1608,7 @@ static const struct proto_ops SOCKOPS_WR
SOCKOPS_WRAP(x25_proto, AF_X25);
-static struct packet_type x25_packet_type = {
+static struct packet_type x25_packet_type __read_mostly = {
.type = cpu_to_be16(ETH_P_X25),
.func = x25_lapb_receive_frame,
};
--- a/drivers/net/hamradio/bpqether.c 2009-03-09 09:43:40.183246210 -0700
+++ b/drivers/net/hamradio/bpqether.c 2009-03-09 09:44:22.888372259 -0700
@@ -97,7 +97,7 @@ static char bpq_eth_addr[6];
static int bpq_rcv(struct sk_buff *, struct net_device *, struct packet_type *, struct net_device *);
static int bpq_device_event(struct notifier_block *, unsigned long, void *);
-static struct packet_type bpq_packet_type = {
+static struct packet_type bpq_packet_type __read_mostly = {
.type = cpu_to_be16(ETH_P_BPQ),
.func = bpq_rcv,
};
--- a/net/decnet/af_decnet.c 2009-03-09 09:44:55.943434191 -0700
+++ b/net/decnet/af_decnet.c 2009-03-09 09:45:10.948014560 -0700
@@ -2112,9 +2112,8 @@ static struct notifier_block dn_dev_noti
extern int dn_route_rcv(struct sk_buff *, struct net_device *, struct packet_type *, struct net_device *);
-static struct packet_type dn_dix_packet_type = {
+static struct packet_type dn_dix_packet_type __read_mostly = {
.type = cpu_to_be16(ETH_P_DNA_RT),
- .dev = NULL, /* All devices */
.func = dn_route_rcv,
};
--- a/net/irda/irmod.c 2009-03-09 09:44:33.092372164 -0700
+++ b/net/irda/irmod.c 2009-03-09 09:44:44.340242320 -0700
@@ -55,7 +55,7 @@ EXPORT_SYMBOL(irda_debug);
/* Packet type handler.
* Tell the kernel how IrDA packets should be handled.
*/
-static struct packet_type irda_packet_type = {
+static struct packet_type irda_packet_type __read_mostly = {
.type = cpu_to_be16(ETH_P_IRDA),
.func = irlap_driver_rcv, /* Packet type handler irlap_frame.c */
};
--
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