linux-kernel - [PATCH 1/1 linux-next] mm/page_alloc.c: don't redeclare mt in get_pageblock

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Message-Id: <1426097333-24131-1-git-send-email-fabf@skynet.be>
Date:	Wed, 11 Mar 2015 19:08:53 +0100
From:	Fabian Frederick <fabf@...net.be>
To:	linux-kernel@...r.kernel.org
Cc:	Fabian Frederick <fabf@...net.be>, linux-mm@...ck.org
Subject: [PATCH 1/1 linux-next] mm/page_alloc.c: don't redeclare mt in get_pageblock_migratetype()

mt is already declared above and global value not used after loop.
This fixes a shadow warning.

Signed-off-by: Fabian Frederick <fabf@...net.be>
---
 mm/page_alloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 1b84950..4ec8c23 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1653,7 +1653,7 @@ int __isolate_free_page(struct page *page, unsigned int order)
 	if (order >= pageblock_order - 1) {
 		struct page *endpage = page + (1 << order) - 1;
 		for (; page < endpage; page += pageblock_nr_pages) {
-			int mt = get_pageblock_migratetype(page);
+			mt = get_pageblock_migratetype(page);
 			if (!is_migrate_isolate(mt) && !is_migrate_cma(mt))
 				set_pageblock_migratetype(page,
 							  MIGRATE_MOVABLE);
-- 
1.9.1

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