[PATCH 3/5] mm: compaction: Count the migration scanned pages events for proactive compaction

From: Baolin Wang
Date: Tue Jan 10 2023 - 08:37:15 EST


The proactive compaction will reuse per-node kcompactd threads, so we
should also count the KCOMPACTD_MIGRATE_SCANNED and KCOMPACTD_FREE_SCANNED
events for proactive compaction.

Signed-off-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
---
mm/compaction.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/mm/compaction.c b/mm/compaction.c
index f8e8addc8664..62f6bb68c9cb 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -2659,6 +2659,11 @@ static void proactive_compact_node(pg_data_t *pgdat)
cc.zone = zone;

compact_zone(&cc, NULL);
+
+ count_compact_events(KCOMPACTD_MIGRATE_SCANNED,
+ cc.total_migrate_scanned);
+ count_compact_events(KCOMPACTD_FREE_SCANNED,
+ cc.total_free_scanned);
}
}

--
2.27.0