diff options
| author | Zi Yan <ziy@nvidia.com> | 2023-10-17 12:31:29 -0400 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-10-25 16:47:13 -0700 |
| commit | 49cac03a8f0a56cafa5329911564c97c130ced43 (patch) | |
| tree | 988d54e00d2d2b59ae2106db9777b782414ca83e /mm | |
| parent | a259945efe6ada94087ef666e9b38f8e34ea34ba (diff) | |
mm/migrate: add nr_split to trace_mm_migrate_pages stats.
Add nr_split to trace_mm_migrate_pages for large folio (including THP)
split events.
[akpm@linux-foundation.org: cleanup per Huang, Ying]
Link: https://lkml.kernel.org/r/20231017163129.2025214-2-zi.yan@sent.com
Signed-off-by: Zi Yan <ziy@nvidia.com>
Reviewed-by: "Huang, Ying" <ying.huang@intel.com>
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Huang Ying <ying.huang@intel.com>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/migrate.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/migrate.c b/mm/migrate.c index 53244d283c3e..125194f5af0f 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1686,7 +1686,7 @@ static int migrate_pages_batch(struct list_head *from, if (!ret) { stats->nr_thp_split += is_thp; - stats->nr_split += is_large; + stats->nr_split++; break; } else if (reason == MR_LONGTERM_PIN && ret == -EAGAIN) { @@ -1979,7 +1979,8 @@ out: count_vm_events(THP_MIGRATION_SPLIT, stats.nr_thp_split); trace_mm_migrate_pages(stats.nr_succeeded, stats.nr_failed_pages, stats.nr_thp_succeeded, stats.nr_thp_failed, - stats.nr_thp_split, mode, reason); + stats.nr_thp_split, stats.nr_split, mode, + reason); if (ret_succeeded) *ret_succeeded = stats.nr_succeeded; |