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Commit 8295b6d9 authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller
Browse files

[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: default avatarEric Dumazet <dada1@cosmosbay.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c5a432f1

net/sctp/socket.c

+6 −0
Original line number Diff line number Diff line
@@ -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) */