linux-kernel - [PATCH v2, part2 02/10] mm/ARM: use free_highmem_page() to free highmem pages into buddy system

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Date:	Sun, 10 Mar 2013 16:01:02 +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,
	Russell King <linux@....linux.org.uk>,
	Linus Walleij <linus.walleij@...aro.org>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Stephen Boyd <sboyd@...eaurora.org>,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v2, part2 02/10] mm/ARM: 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: Russell King <linux@....linux.org.uk>
Cc: Linus Walleij <linus.walleij@...aro.org>
cc: Marek Szyprowski <m.szyprowski@...sung.com>
Cc: Stephen Boyd <sboyd@...eaurora.org>
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
---
 arch/arm/mm/init.c |    7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 40a5bc2..687a114 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -519,10 +519,8 @@ static void __init free_unused_memmap(struct meminfo *mi)
 #ifdef CONFIG_HIGHMEM
 static inline void free_area_high(unsigned long pfn, unsigned long end)
 {
-	for (; pfn < end; pfn++) {
-		__free_reserved_page(pfn_to_page(pfn));
-		totalhigh_pages++;
-	}
+	for (; pfn < end; pfn++)
+		free_highmem_page(pfn_to_page(pfn));
 }
 #endif
 
@@ -571,7 +569,6 @@ static void __init free_highpages(void)
 		if (start < end)
 			free_area_high(start, end);
 	}
-	totalram_pages += totalhigh_pages;
 #endif
 }
 
-- 
1.7.9.5

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