[NET]: Add sk_stream_wmem_schedule

This patch introduces sk_stream_wmem_schedule as a short-hand for
the sk_forward_alloc checking on egress.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 2 deletions

diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 02fdda68718d..854f6d0c4bb3 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -552,8 +552,7 @@ new_segment:
                         tcp_mark_push(tp, skb);
                         goto new_segment;
                 }
-                if (sk->sk_forward_alloc < copy &&
-                    !sk_stream_mem_schedule(sk, copy, 0))
+                if (!sk_stream_wmem_schedule(sk, copy))
                         goto wait_for_memory;
                 
                 if (can_coalesce) {