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authorstephen hemminger <shemminger@vyatta.com>2011-12-22 12:52:03 +0400
committerDavid S. Miller <davem@davemloft.net>2011-12-23 07:37:19 +0400
commit2c64580046a122fa15bb586d8ca4fd5e4b69a1e7 (patch)
tree65cacace18e88cb9eb60e564ee9e395feb62affa /net/netlink
parentb57ef81ff8ffb830e1b3e404d692e55161992d27 (diff)
downloadlinux-2c64580046a122fa15bb586d8ca4fd5e4b69a1e7.tar.xz
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>
Diffstat (limited to 'net/netlink')
-rw-r--r--net/netlink/af_netlink.c2
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;
}