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[PATCH] unify pfn_to_page: powerpc pfn_to_page
PowerPC can use generic ones. Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -69,8 +69,6 @@
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#endif
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#endif
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#ifdef CONFIG_FLATMEM
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#ifdef CONFIG_FLATMEM
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#define pfn_to_page(pfn) (mem_map + (pfn))
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#define page_to_pfn(page) ((unsigned long)((page) - mem_map))
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#define pfn_valid(pfn) ((pfn) < max_mapnr)
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#define pfn_valid(pfn) ((pfn) < max_mapnr)
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#endif
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#endif
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@ -200,6 +198,7 @@ extern void copy_user_page(void *to, void *from, unsigned long vaddr,
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struct page *p);
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struct page *p);
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extern int page_is_ram(unsigned long pfn);
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extern int page_is_ram(unsigned long pfn);
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#include <asm-generic/memory_model.h>
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#endif /* __ASSEMBLY__ */
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#endif /* __ASSEMBLY__ */
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#endif /* __KERNEL__ */
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#endif /* __KERNEL__ */
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