linux-kernel - [PATCH v2, part2 03/10] mm/FRV: use free_highmem_page() to free highmem pages into buddy system

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Message-Id: <1362902470-25787-4-git-send-email-jiang.liu@huawei.com>
Date:	Sun, 10 Mar 2013 16:01:03 +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, David Howells <dhowells@...hat.com>,
	Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: [PATCH v2, part2 03/10] mm/FRV: 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.

Also fix a bug that totalhigh_pages should be increased when freeing
a highmem page into the buddy system.

Signed-off-by: Jiang Liu <jiang.liu@...wei.com>
Cc: David Howells <dhowells@...hat.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: linux-kernel@...r.kernel.org
---
 arch/frv/mm/init.c |    6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/frv/mm/init.c b/arch/frv/mm/init.c
index 21b9290..dee354f 100644
--- a/arch/frv/mm/init.c
+++ b/arch/frv/mm/init.c
@@ -131,10 +131,8 @@ void __init mem_init(void)
 			datapages++;
 
 #ifdef CONFIG_HIGHMEM
-	for (pfn = num_physpages - 1; pfn >= num_mappedpages; pfn--) {
-		__free_reserved_page(&mem_map[pfn]);
-		totalram_pages++;
-	}
+	for (pfn = num_physpages - 1; pfn >= num_mappedpages; pfn--)
+		free_highmem_page(&mem_map[pfn]);
 #endif
 
 	codek = ((unsigned long) &_etext - (unsigned long) &_stext) >> 10;
-- 
1.7.9.5

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