diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index 9a7c90d80bc4c87bafd96cb73efb46ced84b5276..93c5451bdd527ca9436a98b661e9f3165e484570 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -991,7 +991,7 @@ static struct attribute ** __cpuinit amd_l3_attrs(void)
 	if (attrs)
 		return attrs;
 
-	n = sizeof (default_attrs) / sizeof (struct attribute *);
+	n = ARRAY_SIZE(default_attrs);
 
 	if (amd_nb_has_feature(AMD_NB_L3_INDEX_DISABLE))
 		n += 2;