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[PATCH] unify pfn_to_page: FRV pfn_to_page 

FRV can use generic funcs.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
KAMEZAWA Hiroyuki 2006-03-27 01:15:40 -08:00 committed by Linus Torvalds
parent bb872f787a
commit 5cdac7ca1b
1 changed files with 2 additions and 5 deletions
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7
include/asm-frv/page.h
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@ -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 */