diff --git a/include/net/netns/ipv6.h b/include/net/netns/ipv6.h
index 2f6693fb4c9c..213e96241e76 100644
--- a/include/net/netns/ipv6.h
+++ b/include/net/netns/ipv6.h
@@ -79,8 +79,8 @@ struct netns_ipv6 {
 	struct dst_ops		ip6_dst_ops;
 	rwlock_t		fib6_walker_lock;
 	spinlock_t		fib6_gc_lock;
-	atomic_t		ip6_rt_gc_expire;
-	unsigned long		ip6_rt_last_gc;
+	unsigned int		 ip6_rt_gc_expire;
+	unsigned long		 ip6_rt_last_gc;
 #ifdef CONFIG_IPV6_MULTIPLE_TABLES
 	unsigned int		fib6_rules_require_fldissect;
 	bool			fib6_has_custom_rules;
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 2094bd709638..7c879481130d 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -3192,7 +3192,6 @@ static int ip6_dst_gc(struct dst_ops *ops)
 	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;
-	unsigned int val;
 	int entries;
 
 	entries = dst_entries_get_fast(ops);
@@ -3203,13 +3202,13 @@ static int ip6_dst_gc(struct dst_ops *ops)
 	    entries <= rt_max_size)
 		goto out;
 
-	fib6_run_gc(atomic_inc_return(&net->ipv6.ip6_rt_gc_expire), net, true);
+	net->ipv6.ip6_rt_gc_expire++;
+	fib6_run_gc(net->ipv6.ip6_rt_gc_expire, net, true);
 	entries = dst_entries_get_slow(ops);
 	if (entries < ops->gc_thresh)
-		atomic_set(&net->ipv6.ip6_rt_gc_expire, rt_gc_timeout >> 1);
+		net->ipv6.ip6_rt_gc_expire = rt_gc_timeout>>1;
 out:
-	val = atomic_read(&net->ipv6.ip6_rt_gc_expire);
-	atomic_set(&net->ipv6.ip6_rt_gc_expire, val - (val >> rt_elasticity));
+	net->ipv6.ip6_rt_gc_expire -= net->ipv6.ip6_rt_gc_expire>>rt_elasticity;
 	return entries > rt_max_size;
 }
 
@@ -6322,7 +6321,7 @@ static int __net_init ip6_route_net_init(struct net *net)
 	net->ipv6.sysctl.ip6_rt_min_advmss = IPV6_MIN_MTU - 20 - 40;
 	net->ipv6.sysctl.skip_notify_on_dev_down = 0;
 
-	atomic_set(&net->ipv6.ip6_rt_gc_expire, 30*HZ);
+	net->ipv6.ip6_rt_gc_expire = 30*HZ;
 
 	ret = 0;
 out: