diff --git a/mm/compaction.c b/mm/compaction.c
index 6c63844..6e0ee56 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -625,7 +625,7 @@ static unsigned long isolate_freepages_block(struct compact_control *cc,
 		}
 
 		/* Found a free page, will break it into order-0 pages */
-		order = page_order(page);
+		order = buddy_order(page);
 		isolated = __isolate_free_page(page, order);
 		if (!isolated)
 			break;
@@ -898,7 +898,7 @@ isolate_migratepages_block(struct compact_control *cc, unsigned long low_pfn,
 		 * potential isolation targets.
 		 */
 		if (PageBuddy(page)) {
-			unsigned long freepage_order = page_order_unsafe(page);
+			unsigned long freepage_order = buddy_order_unsafe(page);
 
 			/*
 			 * Without lock, we cannot be sure that what we got is
@@ -1172,7 +1172,7 @@ static bool suitable_migration_target(struct compact_control *cc,
 		 * the only small danger is that we skip a potentially suitable
 		 * pageblock, so it's not worth to check order for valid range.
 		 */
-		if (page_order_unsafe(page) >= pageblock_order)
+		if (buddy_order_unsafe(page) >= pageblock_order)
 			return false;
 	}