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authorKAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>2006-03-27 04:15:43 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-27 11:44:46 -0500
commit0d833b41092df2f4a65cbdb0a0a947c35cdd2f9d (patch)
tree4a5369cb510411761ce50c789f18bf7b6aa7d867
parenta02036e796e5046fe0463b9a092e9b617c525866 (diff)
[PATCH] unify pfn_to_page: parisc pfn_to_page
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>
-rw-r--r--include/asm-parisc/mmzone.h17
-rw-r--r--include/asm-parisc/page.h3
2 files changed, 1 insertions, 19 deletions
diff --git a/include/asm-parisc/mmzone.h b/include/asm-parisc/mmzone.h
index ae039f4fd711..ceb9b73199d1 100644
--- a/include/asm-parisc/mmzone.h
+++ b/include/asm-parisc/mmzone.h
@@ -25,23 +25,6 @@ extern struct node_map_data node_data[];
25 pg_data_t *__pgdat = NODE_DATA(nid); \ 25 pg_data_t *__pgdat = NODE_DATA(nid); \
26 __pgdat->node_start_pfn + __pgdat->node_spanned_pages; \ 26 __pgdat->node_start_pfn + __pgdat->node_spanned_pages; \
27}) 27})
28#define node_localnr(pfn, nid) ((pfn) - node_start_pfn(nid))
29
30#define pfn_to_page(pfn) \
31({ \
32 unsigned long __pfn = (pfn); \
33 int __node = pfn_to_nid(__pfn); \
34 &NODE_DATA(__node)->node_mem_map[node_localnr(__pfn,__node)]; \
35})
36
37#define page_to_pfn(pg) \
38({ \
39 struct page *__page = pg; \
40 struct zone *__zone = page_zone(__page); \
41 BUG_ON(__zone == NULL); \
42 (unsigned long)(__page - __zone->zone_mem_map) \
43 + __zone->zone_start_pfn; \
44})
45 28
46/* We have these possible memory map layouts: 29/* We have these possible memory map layouts:
47 * Astro: 0-3.75, 67.75-68, 4-64 30 * Astro: 0-3.75, 67.75-68, 4-64
diff --git a/include/asm-parisc/page.h b/include/asm-parisc/page.h
index 4a6752b0afed..9f303c0c3cd7 100644
--- a/include/asm-parisc/page.h
+++ b/include/asm-parisc/page.h
@@ -130,8 +130,6 @@ extern int npmem_ranges;
130#define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET)) 130#define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET))
131 131
132#ifndef CONFIG_DISCONTIGMEM 132#ifndef CONFIG_DISCONTIGMEM
133#define pfn_to_page(pfn) (mem_map + (pfn))
134#define page_to_pfn(page) ((unsigned long)((page) - mem_map))
135#define pfn_valid(pfn) ((pfn) < max_mapnr) 133#define pfn_valid(pfn) ((pfn) < max_mapnr)
136#endif /* CONFIG_DISCONTIGMEM */ 134#endif /* CONFIG_DISCONTIGMEM */
137 135
@@ -152,6 +150,7 @@ extern int npmem_ranges;
152 150
153#endif /* __KERNEL__ */ 151#endif /* __KERNEL__ */
154 152
153#include <asm-generic/memory_model.h>
155#include <asm-generic/page.h> 154#include <asm-generic/page.h>
156 155
157#endif /* _PARISC_PAGE_H */ 156#endif /* _PARISC_PAGE_H */