[PATCH 2/2] include/linux/mm.h: remove duplicated declaration of page_mapping()

[Mike Rapoport]

From: Mike Rapoport <rppt@xxxxxxxxxxxxx>

There are two declarations of page_mapping() in include/linux/mm.h a dozen
lines apart.

Remove the older one with unnecessary "extern".

Signed-off-by: Mike Rapoport <rppt@xxxxxxxxxxxxx>
---
 include/linux/mm.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 74a05dbdcc19..d831ca0fcfa1 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1619,8 +1619,6 @@ void page_address_init(void);
 #define page_address_init()  do { } while(0)
 #endif
 
-extern struct address_space *page_mapping(struct page *page);
-
 extern struct address_space *__page_file_mapping(struct page *);
 
 static inline
-- 
2.28.0