[PATCH] remove CONFIG_OUT_OF_LINE_PFN_TO_PAGE

From: KOSAKI Motohiro
Date: Wed Dec 17 2008 - 06:09:30 EST



Now, any architecture don't use CONFIG_OUT_OF_LINE_PFN_TO_PAGE at all.
it can be removed.


Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
CC: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
---
include/asm-generic/memory_model.h | 7 -------
mm/page_alloc.c | 13 -------------
2 files changed, 20 deletions(-)

Index: b/include/asm-generic/memory_model.h
===================================================================
--- a/include/asm-generic/memory_model.h
+++ b/include/asm-generic/memory_model.h
@@ -69,15 +69,8 @@
})
#endif /* CONFIG_FLATMEM/DISCONTIGMEM/SPARSEMEM */

-#ifdef CONFIG_OUT_OF_LINE_PFN_TO_PAGE
-struct page;
-/* this is useful when inlined pfn_to_page is too big */
-extern struct page *pfn_to_page(unsigned long pfn);
-extern unsigned long page_to_pfn(struct page *page);
-#else
#define page_to_pfn __page_to_pfn
#define pfn_to_page __pfn_to_page
-#endif /* CONFIG_OUT_OF_LINE_PFN_TO_PAGE */

#endif /* __ASSEMBLY__ */

Index: b/mm/page_alloc.c
===================================================================
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4593,19 +4593,6 @@ void *__init alloc_large_system_hash(con
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)


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