diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 3a47871a29d909c561a4371f6afca71f59689126..987abe6375ed0ca65ee9b31b45433d583ce9db0b 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -574,8 +574,8 @@ int offline_pages(unsigned long start_pfn,
 	/* Ok, all of our target is islaoted.
 	   We cannot do rollback at this point. */
 	offline_isolated_pages(start_pfn, end_pfn);
-	/* reset pagetype flags */
-	start_isolate_page_range(start_pfn, end_pfn);
+	/* reset pagetype flags and makes migrate type to be MOVABLE */
+	undo_isolate_page_range(start_pfn, end_pfn);
 	/* removal success */
 	zone->present_pages -= offlined_pages;
 	zone->zone_pgdat->node_present_pages -= offlined_pages;
diff --git a/mm/page_isolation.c b/mm/page_isolation.c
index 8f92a29695cc93e82e19582c998b6702ff5e9a2f..3444b58033c87e4263c1d2f1db79f8f416580a29 100644
--- a/mm/page_isolation.c
+++ b/mm/page_isolation.c
@@ -55,7 +55,7 @@ start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn)
 	return 0;
 undo:
 	for (pfn = start_pfn;
-	     pfn <= undo_pfn;
+	     pfn < undo_pfn;
 	     pfn += pageblock_nr_pages)
 		unset_migratetype_isolate(pfn_to_page(pfn));
 
@@ -76,7 +76,7 @@ undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn)
 	     pfn < end_pfn;
 	     pfn += pageblock_nr_pages) {
 		page = __first_valid_page(pfn, pageblock_nr_pages);
-		if (!page || get_pageblock_flags(page) != MIGRATE_ISOLATE)
+		if (!page || get_pageblock_migratetype(page) != MIGRATE_ISOLATE)
 			continue;
 		unset_migratetype_isolate(page);
 	}
@@ -126,7 +126,7 @@ int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn)
 	 */
 	for (pfn = start_pfn; pfn < end_pfn; pfn += pageblock_nr_pages) {
 		page = __first_valid_page(pfn, pageblock_nr_pages);
-		if (page && get_pageblock_flags(page) != MIGRATE_ISOLATE)
+		if (page && get_pageblock_migratetype(page) != MIGRATE_ISOLATE)
 			break;
 	}
 	if (pfn < end_pfn)