[PATCH 1/2] mm: compaction: use the correct type of list for free pages

[Baolin Wang <baolin.wang@linux.alibaba.com>]

Use the page->buddy_list instead of page->lru to clarify the correct type
of list for free pages.

Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
---
 mm/compaction.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/compaction.c b/mm/compaction.c
index dbc9f86b1934..43358efdbdc2 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -1500,7 +1500,7 @@ static void fast_isolate_freepages(struct compact_control *cc)
 
 		spin_lock_irqsave(&cc->zone->lock, flags);
 		freelist = &area->free_list[MIGRATE_MOVABLE];
-		list_for_each_entry_reverse(freepage, freelist, lru) {
+		list_for_each_entry_reverse(freepage, freelist, buddy_list) {
 			unsigned long pfn;
 
 			order_scanned++;
@@ -1883,7 +1883,7 @@ static unsigned long fast_find_migrateblock(struct compact_control *cc)
 
 		spin_lock_irqsave(&cc->zone->lock, flags);
 		freelist = &area->free_list[MIGRATE_MOVABLE];
-		list_for_each_entry(freepage, freelist, lru) {
+		list_for_each_entry(freepage, freelist, buddy_list) {
 			unsigned long free_pfn;
 
 			if (nr_scanned++ >= limit) {
-- 
2.39.3