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ipv4: ip_route_output_key() is better as an inline. 

This avoid a stack frame at zero cost.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2011-03-02 14:56:30 -08:00
parent b23dd4fe42
commit 5bfa787fb2
2 changed files with 5 additions and 7 deletions
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6
include/net/route.h
View File

@ -119,11 +119,15 @@ extern void ip_rt_redirect(__be32 old_gw, __be32 dst, __be32 new_gw,
extern void rt_cache_flush(struct net *net, int how);
extern void rt_cache_flush_batch(struct net *net);
extern struct rtable *__ip_route_output_key(struct net *, const struct flowi *flp);
extern struct rtable *ip_route_output_key(struct net *, struct flowi *flp);
extern struct rtable *ip_route_output_flow(struct net *, struct flowi *flp,
struct sock *sk);
extern struct dst_entry *ipv4_blackhole_route(struct net *net, struct dst_entry *dst_orig);
static inline struct rtable *ip_route_output_key(struct net *net, struct flowi *flp)
{
return ip_route_output_flow(net, flp, NULL);
}
extern int ip_route_input_common(struct sk_buff *skb, __be32 dst, __be32 src,
u8 tos, struct net_device *devin, bool noref);

6
net/ipv4/route.c
View File

@ -2736,12 +2736,6 @@ struct rtable *ip_route_output_flow(struct net *net, struct flowi *flp,
}
EXPORT_SYMBOL_GPL(ip_route_output_flow);
struct rtable *ip_route_output_key(struct net *net, struct flowi *flp)
{
return ip_route_output_flow(net, flp, NULL);
}
EXPORT_SYMBOL(ip_route_output_key);
static int rt_fill_info(struct net *net,
struct sk_buff *skb, u32 pid, u32 seq, int event,
int nowait, unsigned int flags)