diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst
index b27b8873415ae44c267af59f3191c65614a4fac6..a1f5d9efe9b431bb95c69eff53312b48522ba8b2 100644
--- a/Documentation/networking/ip-sysctl.rst
+++ b/Documentation/networking/ip-sysctl.rst
@@ -125,6 +125,9 @@ route/max_size - INTEGER
 	From linux kernel 3.6 onwards, this is deprecated for ipv4
 	as route cache is no longer used.
 
+	From linux kernel 6.3 onwards, this is deprecated for ipv6
+	as garbage collection manages cached route entries.
+
 neigh/default/gc_thresh1 - INTEGER
 	Minimum number of entries to keep.  Garbage collector will not
 	purge entries if there are fewer than this number.
diff --git a/include/net/dst_ops.h b/include/net/dst_ops.h
index 250e2318885820358ccf143d453976e1f98a6c70..f3f5d02f2e734e77f064ab7a008f4e4075d64047 100644
--- a/include/net/dst_ops.h
+++ b/include/net/dst_ops.h
@@ -17,7 +17,7 @@ struct dst_ops {
 	unsigned short		family;
 	unsigned int		gc_thresh;
 
-	int			(*gc)(struct dst_ops *ops);
+	KABI_REPLACE(int (*gc)(struct dst_ops *ops), void (*gc)(struct dst_ops *ops))
 	struct dst_entry *	(*check)(struct dst_entry *, __u32 cookie);
 	unsigned int		(*default_advmss)(const struct dst_entry *);
 	unsigned int		(*mtu)(const struct dst_entry *);
diff --git a/net/core/dst.c b/net/core/dst.c
index fb3bcba87744d3f48fcfbdd229f3313c7520f196..453ec8aafc4aba32c2d56f6b849f49dcf08ea9f1 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -83,12 +83,8 @@ void *dst_alloc(struct dst_ops *ops, struct net_device *dev,
 
 	if (ops->gc &&
 	    !(flags & DST_NOCOUNT) &&
-	    dst_entries_get_fast(ops) > ops->gc_thresh) {
-		if (ops->gc(ops)) {
-			pr_notice_ratelimited("Route cache is full: consider increasing sysctl net.ipv6.route.max_size.\n");
-			return NULL;
-		}
-	}
+	    dst_entries_get_fast(ops) > ops->gc_thresh)
+		ops->gc(ops);
 
 	dst = kmem_cache_alloc(ops->kmem_cachep, GFP_ATOMIC);
 	if (!dst)
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 73a0a3908824bad2acf809d3096278cf330713fe..9603e009cd23075551e17a57e73699f08d360567 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -89,7 +89,7 @@ static struct dst_entry *ip6_negative_advice(struct dst_entry *);
 static void		ip6_dst_destroy(struct dst_entry *);
 static void		ip6_dst_ifdown(struct dst_entry *,
 				       struct net_device *dev, int how);
-static int		 ip6_dst_gc(struct dst_ops *ops);
+static void		 ip6_dst_gc(struct dst_ops *ops);
 
 static int		ip6_pkt_discard(struct sk_buff *skb);
 static int		ip6_pkt_discard_out(struct net *net, struct sock *sk, struct sk_buff *skb);
@@ -3179,11 +3179,10 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
 	return dst;
 }
 
-static int ip6_dst_gc(struct dst_ops *ops)
+static void ip6_dst_gc(struct dst_ops *ops)
 {
 	struct net *net = container_of(ops, struct net, ipv6.ip6_dst_ops);
 	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;
@@ -3191,11 +3190,10 @@ static int ip6_dst_gc(struct dst_ops *ops)
 	int entries;
 
 	entries = dst_entries_get_fast(ops);
-	if (entries > rt_max_size)
+	if (entries > ops->gc_thresh)
 		entries = dst_entries_get_slow(ops);
 
-	if (time_after(rt_last_gc + rt_min_interval, jiffies) &&
-	    entries <= rt_max_size)
+	if (time_after(rt_last_gc + rt_min_interval, jiffies))
 		goto out;
 
 	fib6_run_gc(atomic_inc_return(&net->ipv6.ip6_rt_gc_expire), net, true);
@@ -3205,7 +3203,6 @@ static int ip6_dst_gc(struct dst_ops *ops)
 out:
 	val = atomic_read(&net->ipv6.ip6_rt_gc_expire);
 	atomic_set(&net->ipv6.ip6_rt_gc_expire, val - (val >> rt_elasticity));
-	return entries > rt_max_size;
 }
 
 static int ip6_nh_lookup_table(struct net *net, struct fib6_config *cfg,
@@ -6358,7 +6355,7 @@ static int __net_init ip6_route_net_init(struct net *net)
 #endif
 
 	net->ipv6.sysctl.flush_delay = 0;
-	net->ipv6.sysctl.ip6_rt_max_size = 4096;
+	net->ipv6.sysctl.ip6_rt_max_size = INT_MAX;
 	net->ipv6.sysctl.ip6_rt_gc_min_interval = HZ / 2;
 	net->ipv6.sysctl.ip6_rt_gc_timeout = 60*HZ;
 	net->ipv6.sysctl.ip6_rt_gc_interval = 30*HZ;