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-rw-r--r--arch/m68k/include/asm/virtconvert.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/virtconvert.h b/arch/m68k/include/asm/virtconvert.h
index 22ab05c9c52..3f834b3ab5b 100644
--- a/arch/m68k/include/asm/virtconvert.h
+++ b/arch/m68k/include/asm/virtconvert.h
@@ -26,6 +26,7 @@ static inline void *phys_to_virt(unsigned long address)
}
/* Permanent address of a page. */
+#ifdef CONFIG_MMU
#ifdef CONFIG_SINGLE_MEMORY_CHUNK
#define page_to_phys(page) \
__pa(PAGE_OFFSET + (((page) - pg_data_map[0].node_mem_map) << PAGE_SHIFT))
@@ -37,6 +38,9 @@ static inline void *phys_to_virt(unsigned long address)
page_to_pfn(__page) << PAGE_SHIFT; \
})
#endif
+#else
+#define page_to_phys(page) (((page) - mem_map) << PAGE_SHIFT)
+#endif
/*
* IO bus memory addresses are 1:1 with the physical address,