Commit 2c645800 authored Dec 22, 2011 by stephen hemminger Committed by David S. Miller Dec 22, 2011

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>

parent b57ef81f

net/netlink/af_netlink.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;
		}