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net: reduce structures when XFRM=n

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ifdef out
* struct sk_buff::sp		(pointer)
* struct dst_entry::xfrm	(pointer)
* struct sock::sk_policy	(2 pointers)

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexey Dobriyan 2008-10-28 13:24:06 -07:00 • committed by David S. Miller
parent b057efd4d2
commit def8b4faff
11 changed files with 33 additions and 9 deletions
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15
include/linux/skbuff.h
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@ -269,8 +269,9 @@ struct sk_buff {
struct dst_entry *dst;
struct rtable *rtable;
};
#ifdef CONFIG_XFRM
struct sec_path *sp;
#endif
/*
* This is the control buffer. It is free to use for every
* layer. Please put your private variables there. If you
@ -1864,6 +1865,18 @@ static inline void skb_copy_queue_mapping(struct sk_buff *to, const struct sk_bu
to->queue_mapping = from->queue_mapping;
}
#ifdef CONFIG_XFRM
static inline struct sec_path *skb_sec_path(struct sk_buff *skb)
{
return skb->sp;
}
#else
static inline struct sec_path *skb_sec_path(struct sk_buff *skb)
{
return NULL;
}
#endif
static inline int skb_is_gso(const struct sk_buff *skb)
{
return skb_shinfo(skb)->gso_size;