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[NET]: Kill skb->list

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Remove the "list" member of struct sk_buff, as it is entirely
redundant.  All SKB list removal callers know which list the
SKB is on, so storing this in sk_buff does nothing other than
taking up some space.

Two tricky bits were SCTP, which I took care of, and two ATM
drivers which Francois Romieu <romieu@fr.zoreil.com> fixed
up.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
This commit is contained in:
David S. Miller 2005-08-09 19:25:21 -07:00 • committed by David S. Miller
parent 6869c4d8e0
commit 8728b834b2
29 changed files with 229 additions and 283 deletions
Download patch file Download diff file Expand all files Collapse all files

6
net/ipv4/tcp_output.c
View file

@ -505,7 +505,7 @@ static int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned
/* Link BUFF into the send queue. */
skb_header_release(buff);
__skb_append(skb, buff);
__skb_append(skb, buff, &sk->sk_write_queue);
return 0;
}
@ -893,7 +893,7 @@ static int tso_fragment(struct sock *sk, struct sk_buff *skb, unsigned int len,
/* Link BUFF into the send queue. */
skb_header_release(buff);
__skb_append(skb, buff);
__skb_append(skb, buff, &sk->sk_write_queue);
return 0;
}
@ -1238,7 +1238,7 @@ static void tcp_retrans_try_collapse(struct sock *sk, struct sk_buff *skb, int m
tcp_skb_pcount(next_skb) != 1);
/* Ok. We will be able to collapse the packet. */
__skb_unlink(next_skb, next_skb->list);
__skb_unlink(next_skb, &sk->sk_write_queue);
memcpy(skb_put(skb, next_skb_size), next_skb->data, next_skb_size);