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-rw-r--r--mm/compaction.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/mm/compaction.c b/mm/compaction.c
index 2c077a78487c..aee7443a4d5a 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -356,6 +356,10 @@ static unsigned long isolate_freepages_block(struct compact_control *cc,
if (blockpfn == end_pfn)
update_pageblock_skip(cc, valid_page, total_isolated, false);
+ count_vm_events(COMPACTFREE_SCANNED, nr_scanned);
+ if (total_isolated)
+ count_vm_events(COMPACTISOLATED, total_isolated);
+
return total_isolated;
}
@@ -646,6 +650,10 @@ next_pageblock:
trace_mm_compaction_isolate_migratepages(nr_scanned, nr_isolated);
+ count_vm_events(COMPACTMIGRATE_SCANNED, nr_scanned);
+ if (nr_isolated)
+ count_vm_events(COMPACTISOLATED, nr_isolated);
+
return low_pfn;
}