Use mm_counter_file_folio() to save one compound_head() call.
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
---
mm/memory.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/memory.c b/mm/memory.c
index d35ca499bf1c..661c649afc22 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3158,7 +3158,7 @@ static vm_fault_t wp_page_copy(struct vm_fault *vmf)
if (likely(vmf->pte && pte_same(ptep_get(vmf->pte), vmf->orig_pte))) {
if (old_folio) {
if (!folio_test_anon(old_folio)) {
- dec_mm_counter(mm, mm_counter_file(&old_folio->page));
+ dec_mm_counter(mm, mm_counter_file_folio(old_folio));
inc_mm_counter(mm, MM_ANONPAGES);
}
} else {
--
2.27.0
