netlink: wake up netlink listeners sooner (v2)

This patch changes it to yield sooner at halfway instead. Still not a cure-all
for listener overrun if listner is slow, but works much reliably.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index a0abfe0a537c..86a258d9af84 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -959,7 +959,7 @@ static int netlink_broadcast_deliver(struct sock *sk, struct sk_buff *skb)
                 skb_set_owner_r(skb, sk);
                 skb_queue_tail(&sk->sk_receive_queue, skb);
                 sk->sk_data_ready(sk, skb->len);
-                return atomic_read(&sk->sk_rmem_alloc) > sk->sk_rcvbuf;
+                return atomic_read(&sk->sk_rmem_alloc) > (sk->sk_rcvbuf >> 1);
         }
         return -1;
 }