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@huawei.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 611f217..9a5cdc0 100644 (file)
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -522,10 +522,8 @@ 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
 
@@ -574,7 +572,6 @@ static void __init free_highpages(void)
                if (start < end)
                        free_area_high(start, end);
        }
-       totalram_pages += totalhigh_pages;
 #endif
 }