Commit 50133161 authored by Ilpo Järvinen's avatar Ilpo Järvinen Committed by David S. Miller
Browse files

tcp: no need to pass prev skb around, reduces arg pressure



Signed-off-by: default avatarIlpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a1197f5a
......@@ -1376,12 +1376,12 @@ static u8 tcp_sacktag_one(struct sk_buff *skb, struct sock *sk,
return sacked;
}
static int tcp_shifted_skb(struct sock *sk, struct sk_buff *prev,
struct sk_buff *skb,
static int tcp_shifted_skb(struct sock *sk, struct sk_buff *skb,
struct tcp_sacktag_state *state,
unsigned int pcount, int shifted, int mss)
{
struct tcp_sock *tp = tcp_sk(sk);
struct sk_buff *prev = tcp_write_queue_prev(sk, skb);
BUG_ON(!pcount);
......@@ -1565,7 +1565,7 @@ static struct sk_buff *tcp_shift_skb_data(struct sock *sk, struct sk_buff *skb,
if (!skb_shift(prev, skb, len))
goto fallback;
if (!tcp_shifted_skb(sk, prev, skb, state, pcount, len, mss))
if (!tcp_shifted_skb(sk, skb, state, pcount, len, mss))
goto out;
/* Hole filled allows collapsing with the next as well, this is very
......@@ -1584,8 +1584,7 @@ static struct sk_buff *tcp_shift_skb_data(struct sock *sk, struct sk_buff *skb,
len = skb->len;
if (skb_shift(prev, skb, len)) {
pcount += tcp_skb_pcount(skb);
tcp_shifted_skb(sk, prev, skb, state, tcp_skb_pcount(skb), len,
mss);
tcp_shifted_skb(sk, skb, state, tcp_skb_pcount(skb), len, mss);
}
out:
......
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