---

yaml
---
r: 156032
b: refs/heads/master
c: e084b2d
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 51fbb4bab6c8710eb897ab3fb06efbbc921f3a8d
+refs/heads/master: e084b2d95e48b31aa45f9c49ffc6cdae8bdb21d4

trunk/mm/page_alloc.c

@@ -882,7 +882,7 @@ static struct page *__rmqueue(struct zone *zone, unsigned int order,
  */
 static int rmqueue_bulk(struct zone *zone, unsigned int order, 
 			unsigned long count, struct list_head *list,
-			int migratetype)
+			int migratetype, int cold)
 {
 	int i;
 
@@ -901,7 +901,10 @@ static int rmqueue_bulk(struct zone *zone, unsigned int order,
 		 * merge IO requests if the physical pages are ordered
 		 * properly.
 		 */
-		list_add(&page->lru, list);
+		if (likely(cold == 0))
+			list_add(&page->lru, list);
+		else
+			list_add_tail(&page->lru, list);
 		set_page_private(page, migratetype);
 		list = &page->lru;
 	}
@@ -1119,7 +1122,8 @@ struct page *buffered_rmqueue(struct zone *preferred_zone,
 		local_irq_save(flags);
 		if (!pcp->count) {
 			pcp->count = rmqueue_bulk(zone, 0,
-					pcp->batch, &pcp->list, migratetype);
+					pcp->batch, &pcp->list,
+					migratetype, cold);
 			if (unlikely(!pcp->count))
 				goto failed;
 		}
@@ -1138,7 +1142,8 @@ struct page *buffered_rmqueue(struct zone *preferred_zone,
 		/* Allocate more to the pcp list if necessary */
 		if (unlikely(&page->lru == &pcp->list)) {
 			pcp->count += rmqueue_bulk(zone, 0,
-					pcp->batch, &pcp->list, migratetype);
+					pcp->batch, &pcp->list,
+					migratetype, cold);
 			page = list_entry(pcp->list.next, struct page, lru);
 		}