mm: remove CONFIG_OUT_OF_LINE_PFN_TO_PAGE

No architectures use CONFIG_OUT_OF_LINE_PFN_TO_PAGE - it can be removed.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 13 deletions

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index d531e8ef9984..7bf22e045318 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4587,19 +4587,6 @@ void *__init alloc_large_system_hash(const char *tablename,
         return table;
 }
 
-#ifdef CONFIG_OUT_OF_LINE_PFN_TO_PAGE
-struct page *pfn_to_page(unsigned long pfn)
-{
-        return __pfn_to_page(pfn);
-}
-unsigned long page_to_pfn(struct page *page)
-{
-        return __page_to_pfn(page);
-}
-EXPORT_SYMBOL(pfn_to_page);
-EXPORT_SYMBOL(page_to_pfn);
-#endif /* CONFIG_OUT_OF_LINE_PFN_TO_PAGE */
-
 /* Return a pointer to the bitmap storing bits affecting a block of pages */
 static inline unsigned long *get_pageblock_bitmap(struct zone *zone,
                                                         unsigned long pfn)