xfrm: Remove not-used total variable

Total variable is not used in xfrm_byidx_resize() and can
be safely removed.

Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>

net/xfrm/xfrm_policy.c

@@ -605,7 +605,7 @@ static void xfrm_bydst_resize(struct net *net, int dir)
 	xfrm_hash_free(odst, (hmask + 1) * sizeof(struct hlist_head));
 }
 
-static void xfrm_byidx_resize(struct net *net, int total)
+static void xfrm_byidx_resize(struct net *net)
 {
 	unsigned int hmask = net->xfrm.policy_idx_hmask;
 	unsigned int nhashmask = xfrm_new_hash_mask(hmask);
@@ -683,7 +683,7 @@ static void xfrm_hash_resize(struct work_struct *work)
 			xfrm_bydst_resize(net, dir);
 	}
 	if (xfrm_byidx_should_resize(net, total))
-		xfrm_byidx_resize(net, total);
+		xfrm_byidx_resize(net);
 
 	mutex_unlock(&hash_resize_mutex);
 }