[PATCH 4/5] Use add_page_to_lru_list() helper function

[KOSAKI Motohiro]

Subject: Use add_page_to_lru_list() helper function

add_page_to_lru_list() is equivalent to
  - add lru list (global)
  - add lru list (mem-cgroup)
  - modify zone stat

We can use it.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
---
 mm/vmscan.c |    5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

Index: b/mm/vmscan.c
===================================================================
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1225,12 +1225,12 @@ static void move_active_pages_to_lru(str
 
 	while (!list_empty(list)) {
 		page = lru_to_page(list);
+		list_del(&page->lru);
 
 		VM_BUG_ON(PageLRU(page));
 		SetPageLRU(page);
 
-		list_move(&page->lru, &zone->lru[lru].list);
-		mem_cgroup_add_lru_list(page, lru);
+		add_page_to_lru_list(zone, page, lru);
 		pgmoved++;
 
 		if (!pagevec_add(&pvec, page) || list_empty(list)) {
@@ -1241,7 +1241,6 @@ static void move_active_pages_to_lru(str
 			spin_lock_irq(&zone->lru_lock);
 		}
 	}
-	__mod_zone_page_state(zone, NR_LRU_BASE + lru, pgmoved);
 	if (!is_active_lru(lru))
 		__count_vm_events(PGDEACTIVATE, pgmoved);
 }


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