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authorEric Dumazet <edumazet@google.com>2012-04-22 23:34:26 +0000
committerDavid S. Miller <davem@davemloft.net>2012-04-23 22:28:28 -0400
commitf545a38f74584cc7424cb74f792a00c6d2589485 (patch)
treeb272cbfed3267a7750f55f23989e1b070ae6ac3e /net/core
parentb98985073bc5403ef1320866e4ef8bbc5d587ceb (diff)
downloadblackbird-op-linux-f545a38f74584cc7424cb74f792a00c6d2589485.tar.gz
blackbird-op-linux-f545a38f74584cc7424cb74f792a00c6d2589485.zip
net: add a limit parameter to sk_add_backlog()
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 <edumazet@google.com> Cc: Neal Cardwell <ncardwell@google.com> Cc: Tom Herbert <therbert@google.com> Cc: Maciej Żenczykowski <maze@google.com> Cc: Yuchung Cheng <ycheng@google.com> Cc: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Cc: Rick Jones <rick.jones2@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
-rw-r--r--net/core/sock.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/core/sock.c b/net/core/sock.c
index 679c5bbe2bed..0431aaf7473a 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -389,7 +389,7 @@ int sk_receive_skb(struct sock *sk, struct sk_buff *skb, const int nested)
skb->dev = NULL;
- if (sk_rcvqueues_full(sk, skb)) {
+ if (sk_rcvqueues_full(sk, skb, sk->sk_rcvbuf)) {
atomic_inc(&sk->sk_drops);
goto discard_and_relse;
}
@@ -406,7 +406,7 @@ int sk_receive_skb(struct sock *sk, struct sk_buff *skb, const int nested)
rc = sk_backlog_rcv(sk, skb);
mutex_release(&sk->sk_lock.dep_map, 1, _RET_IP_);
- } else if (sk_add_backlog(sk, skb)) {
+ } else if (sk_add_backlog(sk, skb, sk->sk_rcvbuf)) {
bh_unlock_sock(sk);
atomic_inc(&sk->sk_drops);
goto discard_and_relse;
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