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[SCTP]: Use the {DEFINE|REF}_PROTO_INUSE infrastructure

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Trivial patch to make "sctcp,sctpv6" 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>
This commit is contained in:
Eric Dumazet
2007-11-05 23:40:28 -08:00
committed by David S. Miller
parent c5a432f1a1
commit 8295b6d9e6
1 changed files with 6 additions and 0 deletions
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6
net/sctp/socket.c
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@@ -6455,6 +6455,8 @@ static void sctp_sock_migrate(struct sock *oldsk, struct sock *newsk,
} }
DEFINE_PROTO_INUSE(sctp)
/* This proto struct describes the ULP interface for SCTP. */ /* This proto struct describes the ULP interface for SCTP. */
struct proto sctp_prot = { struct proto sctp_prot = {
.name = "SCTP", .name = "SCTP",
@@ -6483,9 +6485,12 @@ struct proto sctp_prot = {
.memory_pressure = &sctp_memory_pressure, .memory_pressure = &sctp_memory_pressure,
.enter_memory_pressure = sctp_enter_memory_pressure, .enter_memory_pressure = sctp_enter_memory_pressure,
.memory_allocated = &sctp_memory_allocated, .memory_allocated = &sctp_memory_allocated,
REF_PROTO_INUSE(sctp)
}; };
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
DEFINE_PROTO_INUSE(sctpv6)
struct proto sctpv6_prot = { struct proto sctpv6_prot = {
.name = "SCTPv6", .name = "SCTPv6",
.owner = THIS_MODULE, .owner = THIS_MODULE,
@@ -6513,5 +6518,6 @@ struct proto sctpv6_prot = {
.memory_pressure = &sctp_memory_pressure, .memory_pressure = &sctp_memory_pressure,
.enter_memory_pressure = sctp_enter_memory_pressure, .enter_memory_pressure = sctp_enter_memory_pressure,
.memory_allocated = &sctp_memory_allocated, .memory_allocated = &sctp_memory_allocated,
REF_PROTO_INUSE(sctpv6)
}; };
#endif /* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */ #endif /* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */