[PATCH] mm: remove unused page state adjustment macro

[Wei Yang]

These four macro are not used anymore.

Just remove them.

Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx>
---
 include/linux/vmstat.h | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index f25cef84b41d..2db8d60981fe 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -239,11 +239,6 @@ extern unsigned long node_page_state(struct pglist_data *pgdat,
 #define node_page_state(node, item) global_node_page_state(item)
 #endif /* CONFIG_NUMA */
 
-#define add_zone_page_state(__z, __i, __d) mod_zone_page_state(__z, __i, __d)
-#define sub_zone_page_state(__z, __i, __d) mod_zone_page_state(__z, __i, -(__d))
-#define add_node_page_state(__p, __i, __d) mod_node_page_state(__p, __i, __d)
-#define sub_node_page_state(__p, __i, __d) mod_node_page_state(__p, __i, -(__d))
-
 #ifdef CONFIG_SMP
 void __mod_zone_page_state(struct zone *, enum zone_stat_item item, long);
 void __inc_zone_page_state(struct page *, enum zone_stat_item);
-- 
2.15.1