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[PATCH] unify pfn_to_page: mips pfn_to_page 

MIPS can use generic funcs.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
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 01:15:43 -08:00 committed by Linus Torvalds
parent 7126cffe74
commit a02036e796
2 changed files with 1 additions and 16 deletions
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14
include/asm-mips/mmzone.h
View File

@ -22,20 +22,6 @@
NODE_DATA(__n)->node_spanned_pages) : 0);\
})
#define pfn_to_page(pfn) \
({ \
unsigned long __pfn = (pfn); \
pg_data_t *__pg = NODE_DATA(pfn_to_nid(__pfn)); \
__pg->node_mem_map + (__pfn - __pg->node_start_pfn); \
})
#define page_to_pfn(p) \
({ \
struct page *__p = (p); \
struct zone *__z = page_zone(__p); \
((__p - __z->zone_mem_map) + __z->zone_start_pfn); \
})
/* XXX: FIXME -- wli */
#define kern_addr_valid(addr) (0)

3
include/asm-mips/page.h
View File

@ -140,8 +140,6 @@ typedef struct { unsigned long pgprot; } pgprot_t;
#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
#ifndef CONFIG_NEED_MULTIPLE_NODES
#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)
#endif
@ -160,6 +158,7 @@ typedef struct { unsigned long pgprot; } pgprot_t;
#define WANT_PAGE_VIRTUAL
#endif
#include <asm-generic/memory_model.h>
#include <asm-generic/page.h>
#endif /* _ASM_PAGE_H */