[PATCH mmotm] mm: use unsigned int for page order fix 2

[Hugh Dickins]

Some configs now end up with MAX_ORDER and pageblock_order having
different types: silence compiler warning in __free_one_page().

Signed-off-by: Hugh Dickins <hughd@xxxxxxxxxx>

--- mmotm/mm/page_alloc.c	2015-10-15 15:26:59.855572338 -0700
+++ linux/mm/page_alloc.c	2015-10-16 11:54:20.847027790 -0700
@@ -679,7 +679,7 @@ static inline void __free_one_page(struc
 		 * pageblock. Without this, pageblock isolation
 		 * could cause incorrect freepage accounting.
 		 */
-		max_order = min(MAX_ORDER, pageblock_order + 1);
+		max_order = min_t(unsigned int, MAX_ORDER, pageblock_order + 1);
 	} else {
 		__mod_zone_freepage_state(zone, 1 << order, migratetype);
 	}
--
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