[PATCH 17/18] s390: pgtable: use mm_counter_folio() in ptep_zap_swap_entry()

From: Kefeng Wang
Date: Fri Nov 03 2023 - 10:04:06 EST


Use mm_counter_folio() in ptep_zap_swap_entry(), which help to
cleanup mm_counter().

Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
---
arch/s390/mm/pgtable.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c
index 3bd2ab2a9a34..f4a53f5b0bcb 100644
--- a/arch/s390/mm/pgtable.c
+++ b/arch/s390/mm/pgtable.c
@@ -730,9 +730,9 @@ static void ptep_zap_swap_entry(struct mm_struct *mm, swp_entry_t entry)
if (!non_swap_entry(entry))
dec_mm_counter(mm, MM_SWAPENTS);
else if (is_migration_entry(entry)) {
- struct page *page = pfn_swap_entry_to_page(entry);
+ struct folio *folio = pfn_swap_entry_to_folio(entry);

- dec_mm_counter(mm, mm_counter(page));
+ dec_mm_counter(mm, mm_counter_folio(folio));
}
free_swap_and_cache(entry);
}
--
2.27.0