Messages in this thread Patch in this message | | | Date | Mon, 06 Feb 2006 20:22:21 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | [RFC][PATCH] unify pfn_to_page [24/25] xtensa pfn_to_page/page_to_pfn |
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sparc can use generic ones by defining ARCH_PFN_OFFSET as pfn_base
Signed-Off-By: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Index: cleanup_pfn_page/include/asm-sparc/page.h =================================================================== --- cleanup_pfn_page.orig/include/asm-sparc/page.h +++ cleanup_pfn_page/include/asm-sparc/page.h @@ -152,8 +152,7 @@ extern unsigned long pfn_base; #define virt_to_phys __pa #define phys_to_virt __va
-#define pfn_to_page(pfn) (mem_map + ((pfn)-(pfn_base))) -#define page_to_pfn(page) ((unsigned long)(((page) - mem_map) + pfn_base)) +#define ARCH_PFN_OFFSET (pfn_base) #define virt_to_page(kaddr) (mem_map + ((((unsigned long)(kaddr)-PAGE_OFFSET)>>PAGE_SHIFT)))
#define pfn_valid(pfn) (((pfn) >= (pfn_base)) && (((pfn)-(pfn_base)) < max_mapnr)) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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