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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>
This commit is contained in:
Geert Uytterhoeven 2010-01-12 08:32:18 +01:00
parent 5da3a65d2d
commit f54bcdc2b8

View File

@ -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)