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.

[[email protected]: cleanup per Huang, Ying]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Zi Yan <[email protected]>
Reviewed-by: "Huang, Ying" <[email protected]>
Reviewed-by: Baolin Wang <[email protected]>
Cc: David Hildenbrand <[email protected]>
Cc: Huang Ying <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

0 files changed, 0 insertions, 0 deletions