| From ad2fe512373a911de513a8c312db4ec4ebb7e194 Mon Sep 17 00:00:00 2001 |
| From: stephen hemminger <shemminger@vyatta.com> |
| Date: Thu, 22 Dec 2011 08:52:03 +0000 |
| Subject: [PATCH] netlink: wake up netlink listeners sooner (v2) |
| |
| commit 2c64580046a122fa15bb586d8ca4fd5e4b69a1e7 upstream. |
| |
| 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> |
| Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> |
| --- |
| net/netlink/af_netlink.c | 2 +- |
| 1 file changed, 1 insertion(+), 1 deletion(-) |
| |
| diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c |
| index fe6313140563..ba9f6129ff32 100644 |
| --- a/net/netlink/af_netlink.c |
| +++ b/net/netlink/af_netlink.c |
| @@ -962,7 +962,7 @@ static inline int netlink_broadcast_deliver(struct sock *sk, |
| 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; |
| } |
| -- |
| 1.8.5.2 |
| |
