diff options
| -rw-r--r-- | net/ipv6/route.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 10a6cc0aca6..ec1fedb339c 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -992,22 +992,26 @@ int icmp6_dst_gc(int *more) static int ip6_dst_gc(struct dst_ops *ops) { - struct net *net = ops->dst_net; unsigned long now = jiffies; - - if (time_after(net->ipv6.ip6_rt_last_gc + net->ipv6.sysctl.ip6_rt_gc_min_interval, now) && - atomic_read(&net->ipv6.ip6_dst_ops->entries) <= net->ipv6.sysctl.ip6_rt_max_size) + struct net *net = ops->dst_net; + int rt_min_interval = net->ipv6.sysctl.ip6_rt_gc_min_interval; + int rt_max_size = net->ipv6.sysctl.ip6_rt_max_size; + int rt_elasticity = net->ipv6.sysctl.ip6_rt_gc_elasticity; + int rt_gc_timeout = net->ipv6.sysctl.ip6_rt_gc_timeout; + unsigned long rt_last_gc = net->ipv6.ip6_rt_last_gc; + + if (time_after(rt_last_gc + rt_min_interval, now) && + atomic_read(&ops->entries) <= rt_max_size) goto out; net->ipv6.ip6_rt_gc_expire++; fib6_run_gc(net->ipv6.ip6_rt_gc_expire, net); net->ipv6.ip6_rt_last_gc = now; - if (atomic_read(&net->ipv6.ip6_dst_ops->entries) < net->ipv6.ip6_dst_ops->gc_thresh) - net->ipv6.ip6_rt_gc_expire = net->ipv6.sysctl.ip6_rt_gc_timeout>>1; - + if (atomic_read(&ops->entries) < ops->gc_thresh) + net->ipv6.ip6_rt_gc_expire = rt_gc_timeout>>1; out: - net->ipv6.ip6_rt_gc_expire -= net->ipv6.ip6_rt_gc_expire>>net->ipv6.sysctl.ip6_rt_gc_elasticity; - return (atomic_read(&net->ipv6.ip6_dst_ops->entries) > net->ipv6.sysctl.ip6_rt_max_size); + net->ipv6.ip6_rt_gc_expire -= net->ipv6.ip6_rt_gc_expire>>rt_elasticity; + return (atomic_read(&ops->entries) > rt_max_size); } /* Clean host part of a prefix. Not necessary in radix tree, |