diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c
index 39d49dc..1b167c4b 100644
--- a/net/ipv4/proc.c
+++ b/net/ipv4/proc.c
@@ -49,7 +49,7 @@
 	int res = 0;
 	int cpu;
 
-	for (cpu = 0; cpu < NR_CPUS; cpu++)
+	for_each_cpu(cpu)
 		res += proto->stats[cpu].inuse;
 
 	return res;