提交 8295b6d9 编写于 作者: E Eric Dumazet 提交者: David S. Miller

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

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: NEric Dumazet <dada1@cosmosbay.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 c5a432f1
......@@ -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. */
struct proto sctp_prot = {
.name = "SCTP",
......@@ -6483,9 +6485,12 @@ struct proto sctp_prot = {
.memory_pressure = &sctp_memory_pressure,
.enter_memory_pressure = sctp_enter_memory_pressure,
.memory_allocated = &sctp_memory_allocated,
REF_PROTO_INUSE(sctp)
};
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
DEFINE_PROTO_INUSE(sctpv6)
struct proto sctpv6_prot = {
.name = "SCTPv6",
.owner = THIS_MODULE,
......@@ -6513,5 +6518,6 @@ struct proto sctpv6_prot = {
.memory_pressure = &sctp_memory_pressure,
.enter_memory_pressure = sctp_enter_memory_pressure,
.memory_allocated = &sctp_memory_allocated,
REF_PROTO_INUSE(sctpv6)
};
#endif /* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */
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