diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 4e551e63b6dc..d6186460c846 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -15,8 +15,8 @@ module_param(ecc_enable_override, int, 0644);
 
 /* Lookup table for all possible MC control instances */
 struct amd64_pvt;
-static struct mem_ctl_info *mci_lookup[MAX_NUMNODES];
-static struct amd64_pvt *pvt_lookup[MAX_NUMNODES];
+static struct mem_ctl_info *mci_lookup[EDAC_MAX_NUMNODES];
+static struct amd64_pvt *pvt_lookup[EDAC_MAX_NUMNODES];
 
 /*
  * See F2x80 for K8 and F2x[1,0]80 for Fam10 and later. The table below is only
diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h
index 8ea07e2715dc..c3f769e017fa 100644
--- a/drivers/edac/amd64_edac.h
+++ b/drivers/edac/amd64_edac.h
@@ -132,6 +132,8 @@
 #define EDAC_AMD64_VERSION		" Ver: 3.2.0 " __DATE__
 #define EDAC_MOD_STR			"amd64_edac"
 
+#define EDAC_MAX_NUMNODES		8
+
 /* Extended Model from CPUID, for CPU Revision numbers */
 #define OPTERON_CPU_LE_REV_C		0
 #define OPTERON_CPU_REV_D		1