[PATCH v2 2/2] mm: remove page_rmapping()

[Peng Zhang <zhangpeng362@huawei.com>]

From: ZhangPeng <zhangpeng362@huawei.com>

After converting the last user to folio_raw_mapping(), we can safely
remove the function.

Signed-off-by: ZhangPeng <zhangpeng362@huawei.com>
Reviewed-by: Sidhartha Kumar <sidhartha.kumar@oracle.com>
---
 include/linux/mm.h | 1 -
 mm/util.c          | 6 ------
 2 files changed, 7 deletions(-)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 39aa409e84d5..c849419c6b51 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2151,7 +2151,6 @@ static inline void *folio_address(const struct folio *folio)
 	return page_address(&folio->page);
 }
 
-extern void *page_rmapping(struct page *page);
 extern pgoff_t __page_file_index(struct page *page);
 
 /*
diff --git a/mm/util.c b/mm/util.c
index dd12b9531ac4..5e9305189c3f 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -734,12 +734,6 @@ void *vcalloc(size_t n, size_t size)
 }
 EXPORT_SYMBOL(vcalloc);
 
-/* Neutral page->mapping pointer to address_space or anon_vma or other */
-void *page_rmapping(struct page *page)
-{
-	return folio_raw_mapping(page_folio(page));
-}
-
 struct anon_vma *folio_anon_vma(struct folio *folio)
 {
 	unsigned long mapping = (unsigned long)folio->mapping;
-- 
2.25.1