linux-kernel - [PATCH v2, part2 05/10] mm/microblaze: use free_highmem_page() to free highmem pages into buddy system

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Date:	Sun, 10 Mar 2013 16:01:05 +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, Michal Simek <monstr@...str.eu>,
	microblaze-uclinux@...e.uq.edu.au
Subject: [PATCH v2, part2 05/10] mm/microblaze: 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: Michal Simek <monstr@...str.eu>
Cc: microblaze-uclinux@...e.uq.edu.au
Cc: linux-kernel@...r.kernel.org
---
 arch/microblaze/mm/init.c |    6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index 9be5302..4ec137d 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -82,13 +82,9 @@ static unsigned long highmem_setup(void)
 		/* FIXME not sure about */
 		if (memblock_is_reserved(pfn << PAGE_SHIFT))
 			continue;
-		ClearPageReserved(page);
-		init_page_count(page);
-		__free_page(page);
-		totalhigh_pages++;
+		free_highmem_page(page);
 		reservedpages++;
 	}
-	totalram_pages += totalhigh_pages;
 	pr_info("High memory: %luk\n",
 					totalhigh_pages << (PAGE_SHIFT-10));
 
-- 
1.7.9.5

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