linux-kernel - [PATCH v2, part2 04/10] mm/metag: use free_highmem_page() to free highmem pages into buddy system

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Message-Id: <1362902470-25787-5-git-send-email-jiang.liu@huawei.com>
Date:	Sun, 10 Mar 2013 16:01:04 +0800
From:	Jiang Liu <liuj97@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	David Rientjes <rientjes@...gle.com>
Cc:	Jiang Liu <jiang.liu@...wei.com>,
	Wen Congyang <wency@...fujitsu.com>,
	Mel Gorman <mgorman@...e.de>, Minchan Kim <minchan@...nel.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Michal Hocko <mhocko@...e.cz>,
	Jianguo Wu <wujianguo@...wei.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, James Hogan <james.hogan@...tec.com>
Subject: [PATCH v2, part2 04/10] mm/metag: use free_highmem_page() to free highmem pages into buddy system

Use helper function free_highmem_page() to free highmem pages into
the buddy system.

Signed-off-by: Jiang Liu <jiang.liu@...wei.com>
Cc: James Hogan <james.hogan@...tec.com>
Cc: linux-kernel@...r.kernel.org
---
 arch/metag/mm/init.c |   10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/arch/metag/mm/init.c b/arch/metag/mm/init.c
index c6784fb..d05b845 100644
--- a/arch/metag/mm/init.c
+++ b/arch/metag/mm/init.c
@@ -380,14 +380,8 @@ void __init mem_init(void)
 
 #ifdef CONFIG_HIGHMEM
 	unsigned long tmp;
-	for (tmp = highstart_pfn; tmp < highend_pfn; tmp++) {
-		struct page *page = pfn_to_page(tmp);
-		ClearPageReserved(page);
-		init_page_count(page);
-		__free_page(page);
-		totalhigh_pages++;
-	}
-	totalram_pages += totalhigh_pages;
+	for (tmp = highstart_pfn; tmp < highend_pfn; tmp++)
+		free_highmem_page(pfn_to_page(tmp));
 	num_physpages += totalhigh_pages;
 #endif /* CONFIG_HIGHMEM */
 
-- 
1.7.9.5

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