diff --git a/include/linux/mm.h b/include/linux/mm.h
index 61a7f680f0ba..4f75fee497f1 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1210,11 +1210,6 @@ static inline int folio_entire_mapcount(const struct folio *folio)
 	return atomic_read(&folio->_entire_mapcount) + 1;
 }
 
-static inline void page_mapcount_reset(struct page *page)
-{
-	atomic_set(&(page)->_mapcount, -1);
-}
-
 static inline int folio_large_mapcount(const struct folio *folio)
 {
 	VM_WARN_ON_FOLIO(!folio_test_large(folio), folio);
diff --git a/mm/mm_init.c b/mm/mm_init.c
index d3a222b92029..5d150d412920 100644
--- a/mm/mm_init.c
+++ b/mm/mm_init.c
@@ -569,7 +569,7 @@ void __meminit __init_single_page(struct page *page, unsigned long pfn,
 	mm_zero_struct_page(page);
 	set_page_links(page, zone, nid, pfn);
 	init_page_count(page);
-	page_mapcount_reset(page);
+	atomic_set(&page->_mapcount, -1);
 	page_cpupid_reset_last(page);
 	page_kasan_tag_reset(page);