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

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Message-ID: <alpine.LSU.2.11.1510161546430.31102@eggly.anvils>
Date:	Fri, 16 Oct 2015 15:51:34 -0700 (PDT)
From:	Hugh Dickins <hughd@...gle.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
cc:	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: [PATCH mmotm] mm: use unsigned int for page order fix 2

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@...gle.com>

--- 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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