From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: [RFC][PATCH] unify pfn_to_page [8/25] i386 pfn_to_page/ page_to_pfn
Date: Mon, 06 Feb 2006 19:58:16 +0900 [thread overview]
Message-ID: <43E72BC8.2010000@jp.fujitsu.com> (raw)
i386 can use generic ones.
Signed-Off-By: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Index: cleanup_pfn_page/include/asm-i386/mmzone.h
===================================================================
--- cleanup_pfn_page.orig/include/asm-i386/mmzone.h
+++ cleanup_pfn_page/include/asm-i386/mmzone.h
@@ -86,20 +86,7 @@ static inline int pfn_to_nid(unsigned lo
/* XXX: FIXME -- wli */
#define kern_addr_valid(kaddr) (0)
-#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); \
- (unsigned long)(__page - __zone->zone_mem_map) \
- + __zone->zone_start_pfn; \
-})
+#define arch_pfn_to_nid pfn_to_nid(pfn)
#ifdef CONFIG_X86_NUMAQ /* we have contiguous memory on NUMA-Q */
#define pfn_valid(pfn) ((pfn) < num_physpages)
Index: cleanup_pfn_page/include/asm-i386/page.h
===================================================================
--- cleanup_pfn_page.orig/include/asm-i386/page.h
+++ cleanup_pfn_page/include/asm-i386/page.h
@@ -126,8 +126,6 @@ extern int page_is_ram(unsigned long pag
#define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET))
#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
#ifdef CONFIG_FLATMEM
-#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_FLATMEM */
#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
reply other threads:[~2006-02-06 10:57 UTC|newest]
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