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Subject[RFC][PATCH] unify pfn_to_page [11/25] m68k pfn_to_page/page_to_pfn

Complicated....memmap is not in order ?
Don't use generic ones by defining ARCH_HAS_PFN_PAGE

Signed-Off-By: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>

Index: cleanup_pfn_page/include/asm-m68k/page.h
===================================================================
--- cleanup_pfn_page.orig/include/asm-m68k/page.h
+++ cleanup_pfn_page/include/asm-m68k/page.h
@@ -159,6 +159,7 @@ static inline void *__va(unsigned long x
* TODO: implement (fast) pfn<->pgdat_idx conversion functions, this makes lots
* of the shifts unnecessary.
*/
+#define ARCH_HAS_PFN_PAGE
#define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT)
#define pfn_to_virt(pfn) __va((pfn) << PAGE_SHIFT)

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