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 [6/25] frv pfn_to_page/page_to_pfn
Date: Mon, 06 Feb 2006 19:54:54 +0900 [thread overview]
Message-ID: <43E72AFE.10709@jp.fujitsu.com> (raw)
frv can use generic ones.
Signed-Off-By: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Index: cleanup_pfn_page/include/asm-frv/page.h
===================================================================
--- cleanup_pfn_page.orig/include/asm-frv/page.h
+++ cleanup_pfn_page/include/asm-frv/page.h
@@ -57,15 +57,10 @@ 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
#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
next reply other threads:[~2006-02-06 10:53 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-06 10:54 KAMEZAWA Hiroyuki [this message]
2006-02-08 10:36 ` [RFC][PATCH] unify pfn_to_page [6/25] frv pfn_to_page/page_to_pfn David Howells
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