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Commit 5cdac7ca authored by KAMEZAWA Hiroyuki's avatar KAMEZAWA Hiroyuki Committed by Linus Torvalds
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[PATCH] unify pfn_to_page: FRV pfn_to_page 



FRV can use generic funcs.

Signed-off-by: default avatarKAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent bb872f78

include/asm-frv/page.h

+2 −5
Original line number Diff line number Diff line
@@ -57,13 +57,9 @@ extern unsigned long min_low_pfn; 
extern unsigned long max_pfn;



#ifdef CONFIG_MMU

#define pfn_to_page(pfn)	(mem_map + (pfn))

#define page_to_pfn(page)	((unsigned long) ((page) - mem_map))

#define pfn_valid(pfn)		((pfn) < max_mapnr)



#else

#define pfn_to_page(pfn)	(&mem_map[(pfn) - (PAGE_OFFSET >> PAGE_SHIFT)])

#define page_to_pfn(page)	((PAGE_OFFSET >> PAGE_SHIFT) + (unsigned long) ((page) - mem_map))

#define ARCH_PFN_OFFSET		(PAGE_OFFSET >> PAGE_SHIFT)

#define pfn_valid(pfn)		((pfn) >= min_low_pfn && (pfn) < max_low_pfn)



#endif
@@ -87,6 +83,7 @@ extern unsigned long max_pfn; 
#define WANT_PAGE_VIRTUAL	1

#endif



#include <asm-generic/memory_model.h>

#include <asm-generic/page.h>



#endif /* _ASM_PAGE_H */