tcp: avoid order-1 allocations on wifi and tx path

[pandora-kernel.git] / net / ipv4 / tcp_output.c

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 7413437..c51dd5b 100644 (file)
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1096,6 +1096,7 @@ static void __pskb_trim_head(struct sk_buff *skb, int len)
        eat = min_t(int, len, skb_headlen(skb));
        if (eat) {
                __skb_pull(skb, eat);
+               skb->avail_size -= eat;
                len -= eat;
                if (!len)
                        return;
@@ -2060,7 +2061,7 @@ static void tcp_retrans_try_collapse(struct sock *sk, struct sk_buff *to,
                /* Punt if not enough space exists in the first SKB for
                 * the data in the second
                 */
-               if (skb->len > skb_tailroom(to))
+               if (skb->len > skb_availroom(to))
                        break;
 
                if (after(TCP_SKB_CB(skb)->end_seq, tcp_wnd_end(tp)))