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 [4/25] arm26 pfn_to_page/page_to_pfn
Date: Mon, 06 Feb 2006 19:52:20 +0900 [thread overview]
Message-ID: <43E72A64.4060601@jp.fujitsu.com> (raw)
arm26 can use generic ones.
Signed-Off-By: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Index: cleanup_pfn_page/include/asm-arm26/memory.h
===================================================================
--- cleanup_pfn_page.orig/include/asm-arm26/memory.h
+++ cleanup_pfn_page/include/asm-arm26/memory.h
@@ -81,9 +81,7 @@ static inline void *phys_to_virt(unsigne
* virt_to_page(k) convert a _valid_ virtual address to struct page *
* virt_addr_valid(k) indicates whether a virtual address is valid
*/
-#define page_to_pfn(page) (((page) - mem_map) + PHYS_PFN_OFFSET)
-#define pfn_to_page(pfn) ((mem_map + (pfn)) - PHYS_PFN_OFFSET)
-#define pfn_valid(pfn) ((pfn) >= PHYS_PFN_OFFSET && (pfn) < (PHYS_PFN_OFFSET + max_mapnr))
+#define ARCH_PFN_OFFSET (PHYS_PFN_OFFSET)
#define virt_to_page(kaddr) (pfn_to_page(__pa(kaddr) >> PAGE_SHIFT))
#define virt_addr_valid(kaddr) ((int)(kaddr) >= PAGE_OFFSET && (int)(kaddr) < (unsigned long)high_memory)
reply other threads:[~2006-02-06 10:51 UTC|newest]
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