3 files changed, 17 insertions, 9 deletions

diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h
index 3b6723dfaff3..895bc4e93039 100644
--- a/include/linux/mm_inline.h
+++ b/include/linux/mm_inline.h
@@ -1,30 +1,29 @@
-
 static inline void
 add_page_to_active_list(struct zone *zone, struct page *page)
 {
         list_add(&page->lru, &zone->active_list);
-        zone->nr_active++;
+        __inc_zone_state(zone, NR_ACTIVE);
 }
 
 static inline void
 add_page_to_inactive_list(struct zone *zone, struct page *page)
 {
         list_add(&page->lru, &zone->inactive_list);
-        zone->nr_inactive++;
+        __inc_zone_state(zone, NR_INACTIVE);
 }
 
 static inline void
 del_page_from_active_list(struct zone *zone, struct page *page)
 {
         list_del(&page->lru);
-        zone->nr_active--;
+        __dec_zone_state(zone, NR_ACTIVE);
 }
 
 static inline void
 del_page_from_inactive_list(struct zone *zone, struct page *page)
 {
         list_del(&page->lru);
-        zone->nr_inactive--;
+        __dec_zone_state(zone, NR_INACTIVE);
 }
 
 static inline void
@@ -33,9 +32,9 @@ del_page_from_lru(struct zone *zone, struct page *page)
         list_del(&page->lru);
         if (PageActive(page)) {
                 __ClearPageActive(page);
-                zone->nr_active--;
+                __dec_zone_state(zone, NR_ACTIVE);
         } else {
-                zone->nr_inactive--;
+                __dec_zone_state(zone, NR_INACTIVE);
         }
 }
 
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index b262f47961fb..9137d1b9735c 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -47,6 +47,8 @@ struct zone_padding {
 #endif
 
 enum zone_stat_item {
+        NR_INACTIVE,
+        NR_ACTIVE,
         NR_ANON_PAGES,  /* Mapped anonymous pages */
         NR_FILE_MAPPED, /* pagecache pages mapped into pagetables.
                            only modified from process context */
@@ -197,8 +199,6 @@ struct zone {
         struct list_head        inactive_list;
         unsigned long           nr_scan_active;
         unsigned long           nr_scan_inactive;
-        unsigned long           nr_active;
-        unsigned long           nr_inactive;
         unsigned long           pages_scanned;     /* since last reclaim */
         int                     all_unreclaimable; /* All pages pinned */
 
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 5e9803ed17fc..c8d55bcc09b9 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -186,6 +186,9 @@ void inc_zone_page_state(struct page *, enum zone_stat_item);
 void dec_zone_page_state(struct page *, enum zone_stat_item);
 
 extern void inc_zone_state(struct zone *, enum zone_stat_item);
+extern void __inc_zone_state(struct zone *, enum zone_stat_item);
+extern void dec_zone_state(struct zone *, enum zone_stat_item);
+extern void __dec_zone_state(struct zone *, enum zone_stat_item);
 
 void refresh_cpu_vm_stats(int);
 void refresh_vm_stats(void);
@@ -214,6 +217,12 @@ static inline void __inc_zone_page_state(struct page *page,
         __inc_zone_state(page_zone(page), item);
 }
 
+static inline void __dec_zone_state(struct zone *zone, enum zone_stat_item item)
+{
+        atomic_long_dec(&zone->vm_stat[item]);
+        atomic_long_dec(&vm_stat[item]);
+}
+
 static inline void __dec_zone_page_state(struct page *page,
                         enum zone_stat_item item)
 {