The patch titled
Subject: mm: compaction: count the migration scanned pages events for proactive compaction
has been added to the -mm mm-unstable branch. Its filename is
mm-compaction-count-the-migration-scanned-pages-events-for-proactive-compaction.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-compaction-count-the-migration-scanned-pages-events-for-proactive-compaction.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
Subject: mm: compaction: count the migration scanned pages events for proactive compaction
Date: Tue, 10 Jan 2023 21:36:20 +0800
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.
Link: https://lkml.kernel.org/r/b7f1ece1adc17defa47e3667b5f9fd61f496517a.1673342761.git.baolin.wang@xxxxxxxxxxxxxxxxx
Signed-off-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/compaction.c | 5 +++++
1 file changed, 5 insertions(+)
--- a/mm/compaction.c~mm-compaction-count-the-migration-scanned-pages-events-for-proactive-compaction
+++ a/mm/compaction.c
@@ -2659,6 +2659,11 @@ static void proactive_compact_node(pg_da
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);
}
}
_
Patches currently in -mm which might be from baolin.wang@xxxxxxxxxxxxxxxxx are
mm-compaction-remove-redundant-vm_bug_on-in-compact_zone.patch
mm-compaction-move-list-validation-into-compact_zone.patch
mm-compaction-count-the-migration-scanned-pages-events-for-proactive-compaction.patch
mm-compaction-add-missing-kcompactd-wakeup-trace-event.patch
mm-compaction-avoid-fragmentation-score-calculation-for-empty-zones.patch
