From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Cc: rth@twiddle.net, ink@jurassic.park.msu.ru
Subject: PATCH] unify pfn_to_page take 2 [5/25] alpha funcs
Date: Wed, 08 Feb 2006 14:50:46 +0900 [thread overview]
Message-ID: <43E986B6.2080203@jp.fujitsu.com> (raw)
Alpha can use generic pfn_to_page definition.
Signed-Off-By: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Index: test-layout-free-zone/include/asm-alpha/mmzone.h
===================================================================
--- test-layout-free-zone.orig/include/asm-alpha/mmzone.h
+++ test-layout-free-zone/include/asm-alpha/mmzone.h
@@ -104,19 +104,8 @@ PLAT_NODE_DATA_LOCALNR(unsigned long p,
__xx; \
})
-#define pfn_to_page(pfn) \
-({ \
- unsigned long kaddr = (unsigned long)__va((pfn) << PAGE_SHIFT); \
- (NODE_DATA(kvaddr_to_nid(kaddr))->node_mem_map + local_mapnr(kaddr)); \
-})
-
-#define page_to_pfn(page) \
- ((page) - page_zone(page)->zone_mem_map + \
- (page_zone(page)->zone_start_pfn))
-
#define page_to_pa(page) \
- ((( (page) - page_zone(page)->zone_mem_map ) \
- + page_zone(page)->zone_start_pfn) << PAGE_SHIFT)
+ (page_to_pfn(page) << PAGE_SHIFT)
#define pfn_to_nid(pfn) pa_to_nid(((u64)(pfn) << PAGE_SHIFT))
#define pfn_valid(pfn) \
Index: test-layout-free-zone/include/asm-alpha/page.h
===================================================================
--- test-layout-free-zone.orig/include/asm-alpha/page.h
+++ test-layout-free-zone/include/asm-alpha/page.h
@@ -85,8 +85,6 @@ typedef unsigned long pgprot_t;
#define __pa(x) ((unsigned long) (x) - PAGE_OFFSET)
#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 virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
#define pfn_valid(pfn) ((pfn) < max_mapnr)
reply other threads:[~2006-02-08 5:49 UTC|newest]
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