1 files changed, 28 insertions, 1 deletions

diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 97e11ab573f0..9ac82e29948f 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -107,8 +107,33 @@ static inline void vm_events_fold_cpu(int cpu)
  * Zone and node-based page accounting with per cpu differentials.
  */
 extern atomic_long_t vm_zone_stat[NR_VM_ZONE_STAT_ITEMS];
+extern atomic_long_t vm_numa_stat[NR_VM_NUMA_STAT_ITEMS];
 extern atomic_long_t vm_node_stat[NR_VM_NODE_STAT_ITEMS];
 
+#ifdef CONFIG_NUMA
+static inline void zone_numa_state_add(long x, struct zone *zone,
+                                 enum numa_stat_item item)
+{
+        atomic_long_add(x, &zone->vm_numa_stat[item]);
+        atomic_long_add(x, &vm_numa_stat[item]);
+}
+
+static inline unsigned long global_numa_state(enum numa_stat_item item)
+{
+        long x = atomic_long_read(&vm_numa_stat[item]);
+
+        return x;
+}
+
+static inline unsigned long zone_numa_state(struct zone *zone,
+                                        enum numa_stat_item item)
+{
+        long x = atomic_long_read(&zone->vm_numa_stat[item]);
+
+        return x;
+}
+#endif /* CONFIG_NUMA */
+
 static inline void zone_page_state_add(long x, struct zone *zone,
                                  enum zone_stat_item item)
 {
@@ -194,8 +219,10 @@ static inline unsigned long node_page_state_snapshot(pg_data_t *pgdat,
 
 
 #ifdef CONFIG_NUMA
+extern void __inc_numa_state(struct zone *zone, enum numa_stat_item item);
 extern unsigned long sum_zone_node_page_state(int node,
-                                                enum zone_stat_item item);
+                                              enum zone_stat_item item);
+extern unsigned long sum_zone_numa_state(int node, enum numa_stat_item item);
 extern unsigned long node_page_state(struct pglist_data *pgdat,
                                                 enum node_stat_item item);
 #else