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[PATCH] unify pfn_to_page: parisc pfn_to_page

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PARISC can use generic funcs.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Kyle McMartin <kyle@mcmartin.ca>
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 a02036e796
commit 0d833b4109
2 changed files with 1 additions and 19 deletions
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17
include/asm-parisc/mmzone.h
View file

@ -25,23 +25,6 @@ extern struct node_map_data node_data[];
pg_data_t *__pgdat = NODE_DATA(nid); \
__pgdat->node_start_pfn + __pgdat->node_spanned_pages; \
})
#define node_localnr(pfn, nid) ((pfn) - node_start_pfn(nid))
#define pfn_to_page(pfn) \
({ \
unsigned long __pfn = (pfn); \
int __node = pfn_to_nid(__pfn); \
&NODE_DATA(__node)->node_mem_map[node_localnr(__pfn,__node)]; \
})
#define page_to_pfn(pg) \
({ \
struct page *__page = pg; \
struct zone *__zone = page_zone(__page); \
BUG_ON(__zone == NULL); \
(unsigned long)(__page - __zone->zone_mem_map) \
+ __zone->zone_start_pfn; \
})
/* We have these possible memory map layouts:
* Astro: 0-3.75, 67.75-68, 4-64

3
include/asm-parisc/page.h
View file

@ -130,8 +130,6 @@ extern int npmem_ranges;
#define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET))
#ifndef CONFIG_DISCONTIGMEM
#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 /* CONFIG_DISCONTIGMEM */
@ -152,6 +150,7 @@ extern int npmem_ranges;
#endif /* __KERNEL__ */
#include <asm-generic/memory_model.h>
#include <asm-generic/page.h>
#endif /* _PARISC_PAGE_H */