back out incorrect atomic usage from previous patch

Signed-off-by: Clark Williams <clark.williams@gmail.com>
diff --git a/kernel/rcutree_plugin.h b/kernel/rcutree_plugin.h
index 8acd89a..79be59c 100644
--- a/kernel/rcutree_plugin.h
+++ b/kernel/rcutree_plugin.h
@@ -2129,12 +2129,10 @@
 	if (__is_kfree_rcu_offset((unsigned long)rhp->func))
 		trace_rcu_kfree_callback(rdp->rsp->name, rhp,
 					 (unsigned long)rhp->func,
-					 -atomic_read(rdp->nocb_q_count_lazy),
-					 -atomic_read(rdp->nocb_q_count));
+					 rdp->qlen_lazy, rdp->qlen);
 	else
 		trace_rcu_callback(rdp->rsp->name, rhp,
-				   -atomic_read(rdp->nocb_q_count_lazy),
-				   -atomic_read(rdp->nocb_q_count));
+				   rdp->qlen_lazy, rdp->qlen);
 	return 1;
 }