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net: add a limit parameter to sk_add_backlog()

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sk_add_backlog() & sk_rcvqueues_full() hard coded sk_rcvbuf as the
memory limit. We need to make this limit a parameter for TCP use.

No functional change expected in this patch, all callers still using the
old sk_rcvbuf limit.

Signed-off-by: Eric Dumazet <[email protected]>
Cc: Neal Cardwell <[email protected]>
Cc: Tom Herbert <[email protected]>
Cc: Maciej Żenczykowski <[email protected]>
Cc: Yuchung Cheng <[email protected]>
Cc: Ilpo Järvinen <[email protected]>
Cc: Rick Jones <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Eric Dumazet 2012-04-22 23:34:26 +00:00 • committed by David S. Miller
commit f545a38f74
10 changed files with 21 additions and 19 deletions
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2
net/x25/x25_dev.c
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@ -58,7 +58,7 @@ static int x25_receive_data(struct sk_buff *skb, struct x25_neigh *nb)
if (!sock_owned_by_user(sk)) {
queued = x25_process_rx_frame(sk, skb);
} else {
queued = !sk_add_backlog(sk, skb);
queued = !sk_add_backlog(sk, skb, sk->sk_rcvbuf);
}
bh_unlock_sock(sk);
sock_put(sk);