[PATCH] mips: setup_zero_pages count 1

Page count should be initialized to 1 on each of the MIPS empty zero pages,
to avoid a bad_page warning whenever one of them is freed from all mappings.
Signed-off-by: NHugh Dickins <hugh@veritas.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

arch/mips/mm/init.c

@@ -67,8 +67,8 @@ unsigned long setup_zero_pages(void)
 
 	page = virt_to_page(empty_zero_page);
 	while (page < virt_to_page(empty_zero_page + (PAGE_SIZE << order))) {
-		set_bit(PG_reserved, &page->flags);
-		reset_page_mapcount(page);
+		SetPageReserved(page);
+		set_page_count(page, 1);
 		page++;
 	}