From: Jiang Liu <liuj97@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>,
David Rientjes <rientjes@google.com>
Cc: Jiang Liu <jiang.liu@huawei.com>,
Wen Congyang <wency@cn.fujitsu.com>, Mel Gorman <mgorman@suse.de>,
Minchan Kim <minchan@kernel.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Michal Hocko <mhocko@suse.cz>, Jianguo Wu <wujianguo@huawei.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
"David S. Miller" <davem@davemloft.net>,
Sam Ravnborg <sam@ravnborg.org>,
sparclinux@vger.kernel.org
Subject: [PATCH v2, part2 08/10] mm/SPARC: use free_highmem_page() to free highmem pages into buddy system
Date: Sun, 10 Mar 2013 16:01:08 +0800 [thread overview]
Message-ID: <1362902470-25787-9-git-send-email-jiang.liu@huawei.com> (raw)
In-Reply-To: <1362902470-25787-1-git-send-email-jiang.liu@huawei.com>
Use helper function free_highmem_page() to free highmem pages into
the buddy system.
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: sparclinux@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
---
arch/sparc/mm/init_32.c | 12 ++----------
1 file changed, 2 insertions(+), 10 deletions(-)
diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c
index 13d6fee..6a7eb68 100644
--- a/arch/sparc/mm/init_32.c
+++ b/arch/sparc/mm/init_32.c
@@ -282,14 +282,8 @@ static void map_high_region(unsigned long start_pfn, unsigned long end_pfn)
printk("mapping high region %08lx - %08lx\n", start_pfn, end_pfn);
#endif
- for (tmp = start_pfn; tmp < end_pfn; tmp++) {
- struct page *page = pfn_to_page(tmp);
-
- ClearPageReserved(page);
- init_page_count(page);
- __free_page(page);
- totalhigh_pages++;
- }
+ for (tmp = start_pfn; tmp < end_pfn; tmp++)
+ free_higmem_page(pfn_to_page(tmp));
}
void __init mem_init(void)
@@ -347,8 +341,6 @@ void __init mem_init(void)
map_high_region(start_pfn, end_pfn);
}
- totalram_pages += totalhigh_pages;
-
codepages = (((unsigned long) &_etext) - ((unsigned long)&_start));
codepages = PAGE_ALIGN(codepages) >> PAGE_SHIFT;
datapages = (((unsigned long) &_edata) - ((unsigned long)&_etext));
--
1.7.9.5
--
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next prev parent reply other threads:[~2013-03-10 8:09 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-10 8:01 [PATCH v2, part2 00/10] simplify initialization of highmem pages Jiang Liu
2013-03-10 8:01 ` [PATCH v2, part2 01/10] mm: introduce free_highmem_page() helper to free highmem pages into buddy system Jiang Liu
2013-03-10 10:44 ` Pekka Enberg
2013-03-10 8:01 ` [PATCH v2, part2 02/10] mm/ARM: use free_highmem_page() " Jiang Liu
2013-03-10 8:01 ` [PATCH v2, part2 03/10] mm/FRV: " Jiang Liu
2013-03-10 8:01 ` [PATCH v2, part2 04/10] mm/metag: " Jiang Liu
2013-03-10 8:01 ` [PATCH v2, part2 05/10] mm/microblaze: " Jiang Liu
2013-03-10 8:01 ` [PATCH v2, part2 06/10] mm/MIPS: " Jiang Liu
2013-03-10 8:01 ` [PATCH v2, part2 07/10] mm/PPC: " Jiang Liu
2013-03-10 8:01 ` Jiang Liu [this message]
2013-03-12 21:42 ` [PATCH v2, part2 08/10] mm/SPARC: " Andrew Morton
2013-03-13 6:34 ` Sam Ravnborg
2013-03-13 16:47 ` Jiang Liu
2013-03-10 8:01 ` [PATCH v2, part2 09/10] mm/um: " Jiang Liu
2013-03-10 8:01 ` [PATCH v2, part2 10/10] mm/x86: " Jiang Liu
2013-03-10 10:32 ` Pekka Enberg
2013-03-10 10:40 ` Pekka Enberg
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