[NET]: Get rid of unused global counter in neighbour

This patch gets rid of an unused global counter in neighbour.c.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/core/neighbour.c

@@ -59,7 +59,6 @@ static void neigh_app_notify(struct neighbour *n);
 static int pneigh_ifdown(struct neigh_table *tbl, struct net_device *dev);
 void neigh_changeaddr(struct neigh_table *tbl, struct net_device *dev);
 
-static int neigh_glbl_allocs;
 static struct neigh_table *neigh_tables;
 static struct file_operations neigh_stat_seq_fops;
 
@@ -282,7 +281,6 @@ static struct neighbour *neigh_alloc(struct neigh_table *tbl)
 	n->timer.data	  = (unsigned long)n;
 
 	NEIGH_CACHE_STAT_INC(tbl, allocs);
-	neigh_glbl_allocs++;
 	n->tbl		  = tbl;
 	atomic_set(&n->refcnt, 1);
 	n->dead		  = 1;
@@ -612,7 +610,6 @@ void neigh_destroy(struct neighbour *neigh)
 
 	NEIGH_PRINTK2("neigh %p is destroyed.\n", neigh);
 
-	neigh_glbl_allocs--;
 	atomic_dec(&neigh->tbl->entries);
 	kmem_cache_free(neigh->tbl->kmem_cachep, neigh);
 }