Messages in this thread Patch in this message | | | Date | Mon, 06 Feb 2006 20:23:33 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | [RFC][PATCH] unify pfn_to_page [25/25] sparc64 pfn_to_page/page_to_pfn |
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sparc64 can use generic ones by defining ARCH_PFN_OFFSET as pfn_base.
Signed-Off-By: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitu.com>
Index: cleanup_pfn_page/include/asm-sparc64/page.h =================================================================== --- cleanup_pfn_page.orig/include/asm-sparc64/page.h +++ cleanup_pfn_page/include/asm-sparc64/page.h @@ -129,8 +129,7 @@ typedef unsigned long pgprot_t; * the first physical page in the machine is at some huge physical address, * such as 4GB. This is common on a partitioned E10000, for example. */ -extern struct page *pfn_to_page(unsigned long pfn); -extern unsigned long page_to_pfn(struct page *); +#define ARCH_PFN_OFFSET (pfn_base)
#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr)>>PAGE_SHIFT)
Index: cleanup_pfn_page/arch/sparc64/mm/init.c =================================================================== --- cleanup_pfn_page.orig/arch/sparc64/mm/init.c +++ cleanup_pfn_page/arch/sparc64/mm/init.c @@ -320,16 +320,6 @@ void __kprobes flush_icache_range(unsign } }
-unsigned long page_to_pfn(struct page *page) -{ - return (unsigned long) ((page - mem_map) + pfn_base); -} - -struct page *pfn_to_page(unsigned long pfn) -{ - return (mem_map + (pfn - pfn_base)); -} - void show_mem(void) { printk("Mem-info:\n"); - 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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