diff --git a/mm/compaction.c b/mm/compaction.c index 32a033cb5c65..3a91a2ea3d34 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -851,6 +851,10 @@ static int compact_finished(struct zone *zone, /* Compaction run completes if the migrate and free scanner meet */ if (cc->free_pfn <= cc->migrate_pfn) { + /* Let the next compaction start anew. */ + zone->compact_cached_migrate_pfn = zone->zone_start_pfn; + zone->compact_cached_free_pfn = zone_end_pfn(zone); + /* * Mark that the PG_migrate_skip information should be cleared * by kswapd when it goes to sleep. kswapd does not set the