diff --git a/drivers/acpi/numa/hmat.c b/drivers/acpi/numa/hmat.c
index a26e7793ec4e..e0144cfbf1f3 100644
--- a/drivers/acpi/numa/hmat.c
+++ b/drivers/acpi/numa/hmat.c
@@ -59,9 +59,7 @@ struct target_cache {
 };
 
 enum {
-	NODE_ACCESS_CLASS_0 = 0,
-	NODE_ACCESS_CLASS_1,
-	NODE_ACCESS_CLASS_GENPORT_SINK,
+	NODE_ACCESS_CLASS_GENPORT_SINK = ACCESS_COORDINATE_MAX,
 	NODE_ACCESS_CLASS_MAX,
 };
 
@@ -374,11 +372,11 @@ static __init void hmat_update_target(unsigned int tgt_pxm, unsigned int init_px
 
 	if (target && target->processor_pxm == init_pxm) {
 		hmat_update_target_access(target, type, value,
-					  NODE_ACCESS_CLASS_0);
+					  ACCESS_COORDINATE_LOCAL);
 		/* If the node has a CPU, update access 1 */
 		if (node_state(pxm_to_node(init_pxm), N_CPU))
 			hmat_update_target_access(target, type, value,
-						  NODE_ACCESS_CLASS_1);
+						  ACCESS_COORDINATE_CPU);
 	}
 }
 
@@ -709,7 +707,8 @@ static void hmat_update_target_attrs(struct memory_target *target,
 	 */
 	if (target->processor_pxm != PXM_INVAL) {
 		cpu_nid = pxm_to_node(target->processor_pxm);
-		if (access == 0 || node_state(cpu_nid, N_CPU)) {
+		if (access == ACCESS_COORDINATE_LOCAL ||
+		    node_state(cpu_nid, N_CPU)) {
 			set_bit(target->processor_pxm, p_nodes);
 			return;
 		}
@@ -737,7 +736,8 @@ static void hmat_update_target_attrs(struct memory_target *target,
 		list_for_each_entry(initiator, &initiators, node) {
 			u32 value;
 
-			if (access == 1 && !initiator->has_cpu) {
+			if (access == ACCESS_COORDINATE_CPU &&
+			    !initiator->has_cpu) {
 				clear_bit(initiator->processor_pxm, p_nodes);
 				continue;
 			}
@@ -782,8 +782,10 @@ static void hmat_register_target_initiators(struct memory_target *target)
 {
 	static DECLARE_BITMAP(p_nodes, MAX_NUMNODES);
 
-	__hmat_register_target_initiators(target, p_nodes, 0);
-	__hmat_register_target_initiators(target, p_nodes, 1);
+	__hmat_register_target_initiators(target, p_nodes,
+					  ACCESS_COORDINATE_LOCAL);
+	__hmat_register_target_initiators(target, p_nodes,
+					  ACCESS_COORDINATE_CPU);
 }
 
 static void hmat_register_target_cache(struct memory_target *target)
@@ -854,8 +856,8 @@ static void hmat_register_target(struct memory_target *target)
 	if (!target->registered) {
 		hmat_register_target_initiators(target);
 		hmat_register_target_cache(target);
-		hmat_register_target_perf(target, NODE_ACCESS_CLASS_0);
-		hmat_register_target_perf(target, NODE_ACCESS_CLASS_1);
+		hmat_register_target_perf(target, ACCESS_COORDINATE_LOCAL);
+		hmat_register_target_perf(target, ACCESS_COORDINATE_CPU);
 		target->registered = true;
 	}
 	mutex_unlock(&target_lock);
@@ -927,7 +929,7 @@ static int hmat_calculate_adistance(struct notifier_block *self,
 		return NOTIFY_OK;
 
 	mutex_lock(&target_lock);
-	hmat_update_target_attrs(target, p_nodes, 1);
+	hmat_update_target_attrs(target, p_nodes, ACCESS_COORDINATE_CPU);
 	mutex_unlock(&target_lock);
 
 	perf = &target->coord[1];
diff --git a/drivers/base/node.c b/drivers/base/node.c
index cb2b6cc7f6e6..b4a449f07f2a 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -126,7 +126,7 @@ static void node_access_release(struct device *dev)
 }
 
 static struct node_access_nodes *node_init_node_access(struct node *node,
-						       unsigned int access)
+						       enum access_coordinate_class access)
 {
 	struct node_access_nodes *access_node;
 	struct device *dev;
@@ -191,7 +191,7 @@ static struct attribute *access_attrs[] = {
  * @access: The access class the for the given attributes
  */
 void node_set_perf_attrs(unsigned int nid, struct access_coordinate *coord,
-			 unsigned int access)
+			 enum access_coordinate_class access)
 {
 	struct node_access_nodes *c;
 	struct node *node;
@@ -689,7 +689,7 @@ int register_cpu_under_node(unsigned int cpu, unsigned int nid)
  */
 int register_memory_node_under_compute_node(unsigned int mem_nid,
 					    unsigned int cpu_nid,
-					    unsigned int access)
+					    enum access_coordinate_class access)
 {
 	struct node *init_node, *targ_node;
 	struct node_access_nodes *initiator, *target;
diff --git a/include/linux/node.h b/include/linux/node.h
index 25b66d705ee2..dfc004e4bee7 100644
--- a/include/linux/node.h
+++ b/include/linux/node.h
@@ -34,6 +34,18 @@ struct access_coordinate {
 	unsigned int write_latency;
 };
 
+/*
+ * ACCESS_COORDINATE_LOCAL correlates to ACCESS CLASS 0
+ *	- access_coordinate between target node and nearest initiator node
+ * ACCESS_COORDINATE_CPU correlates to ACCESS CLASS 1
+ *	- access_coordinate between target node and nearest CPU node
+ */
+enum access_coordinate_class {
+	ACCESS_COORDINATE_LOCAL,
+	ACCESS_COORDINATE_CPU,
+	ACCESS_COORDINATE_MAX
+};
+
 enum cache_indexing {
 	NODE_CACHE_DIRECT_MAP,
 	NODE_CACHE_INDEXED,
@@ -66,7 +78,7 @@ struct node_cache_attrs {
 #ifdef CONFIG_HMEM_REPORTING
 void node_add_cache(unsigned int nid, struct node_cache_attrs *cache_attrs);
 void node_set_perf_attrs(unsigned int nid, struct access_coordinate *coord,
-			 unsigned access);
+			 enum access_coordinate_class access);
 #else
 static inline void node_add_cache(unsigned int nid,
 				  struct node_cache_attrs *cache_attrs)
@@ -75,7 +87,7 @@ static inline void node_add_cache(unsigned int nid,
 
 static inline void node_set_perf_attrs(unsigned int nid,
 				       struct access_coordinate *coord,
-				       unsigned access)
+				       enum access_coordinate_class access)
 {
 }
 #endif
@@ -137,7 +149,7 @@ extern void unregister_memory_block_under_nodes(struct memory_block *mem_blk);
 
 extern int register_memory_node_under_compute_node(unsigned int mem_nid,
 						   unsigned int cpu_nid,
-						   unsigned access);
+						   enum access_coordinate_class access);
 #else
 static inline void node_dev_init(void)
 {
