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-rw-r--r--mm/compaction.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/compaction.c b/mm/compaction.c
index dc16efd5fac5..bc2eda71179a 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -2507,7 +2507,8 @@ rescan:
goto check_drain;
case ISOLATE_SUCCESS:
update_cached = false;
- last_migrated_pfn = iteration_start_pfn;
+ last_migrated_pfn = max(cc->zone->zone_start_pfn,
+ pageblock_start_pfn(cc->migrate_pfn - 1));
}
err = migrate_pages(&cc->migratepages, compaction_alloc,