diff --git a/mm/compaction.c b/mm/compaction.c
index 67d54f17128a90df47be54234a78c149a7a90bf9..80116210c2e64ec2db3d95c87eabbb052dae072e 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -1787,6 +1787,8 @@ static unsigned long fast_find_migrateblock(struct compact_control *cc)
 
 				update_fast_start_pfn(cc, free_pfn);
 				pfn = pageblock_start_pfn(free_pfn);
+				if (pfn < cc->zone->zone_start_pfn)
+					pfn = cc->zone->zone_start_pfn;
 				cc->fast_search_fail = 0;
 				found_block = true;
 				set_pageblock_skip(freepage);