[PATCH v2, part2 07/10] mm/PPC: use free_highmem_page() to free highmem pages into buddy system

Jiang Liu liuj97 at gmail.com
Sun Mar 10 19:01:07 EST 2013

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

Signed-off-by: Jiang Liu <jiang.liu at huawei.com>
Cc: Benjamin Herrenschmidt <benh at kernel.crashing.org>
Cc: Paul Mackerras <paulus at samba.org>
Cc: Jiang Liu <jiang.liu at huawei.com>
Cc: Andrew Morton <akpm at linux-foundation.org>
Cc: Alexander Graf <agraf at suse.de>
Cc: "Suzuki K. Poulose" <suzuki at in.ibm.com>
Cc: linuxppc-dev at lists.ozlabs.org
Cc: linux-kernel at vger.kernel.org
 arch/powerpc/mm/mem.c |    6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index c756713..68f51d0 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -352,13 +352,9 @@ void __init mem_init(void)
 			struct page *page = pfn_to_page(pfn);
 			if (memblock_is_reserved(paddr))
-			ClearPageReserved(page);
-			init_page_count(page);
-			__free_page(page);
-			totalhigh_pages++;
+			free_higmem_page(page);
-		totalram_pages += totalhigh_pages;
 		printk(KERN_DEBUG "High memory: %luk\n",
 		       totalhigh_pages << (PAGE_SHIFT-10));

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