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-rw-r--r--mm/compaction.c4
1 files changed, 4 insertions, 0 deletions
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