Since no one call mm_counter(), remove it.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
 include/linux/mm.h | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 9353c5709c45..fd1a27bbdb53 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2598,11 +2598,6 @@ static inline int mm_counter_folio(struct folio *folio)
 	return mm_counter_file_folio(folio);
 }
 
-static inline int mm_counter(struct page *page)
-{
-	return mm_counter_folio(page_folio(page));
-}
-
 static inline unsigned long get_mm_rss(struct mm_struct *mm)
 {
 	return get_mm_counter(mm, MM_FILEPAGES) +
-- 
2.27.0