m68k: Eliminate unused variable in page_to_phys()

"pgdat" is unused, so we can eliminate it and turn page_to_phys()
into a single-line macro.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>

diff --git a/arch/m68k/include/asm/virtconvert.h b/arch/m68k/include/asm/virtconvert.h
index 3f834b3..f35229b 100644 (file)
--- a/arch/m68k/include/asm/virtconvert.h
+++ b/arch/m68k/include/asm/virtconvert.h
@@ -31,12 +31,7 @@ static inline void *phys_to_virt(unsigned long address)
 #define page_to_phys(page) \
        __pa(PAGE_OFFSET + (((page) - pg_data_map[0].node_mem_map) << PAGE_SHIFT))
 #else
-#define page_to_phys(_page) ({                                         \
-       struct page *__page = _page;                                    \
-       struct pglist_data *pgdat;                                      \
-       pgdat = pg_data_table[page_to_nid(__page)];                     \
-       page_to_pfn(__page) << PAGE_SHIFT;                              \
-})
+#define page_to_phys(page)     (page_to_pfn(page) << PAGE_SHIFT)
 #endif
 #else
 #define page_to_phys(page)     (((page) - mem_map) << PAGE_SHIFT)