--- arch/sparc/include/asm/io_32.h

+++ arch/sparc/include/asm/io_32.h

@@ -8,7 +8,7 @@

#include <asm/page.h> /* IO address mapping routines need this */

#include <asm/system.h>

-#define page_to_phys(page) (((page) - mem_map) << PAGE_SHIFT)

+#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT)

static inline u32 flip_dword (u32 l)

{