[PATCH v2, part3 05/12] mm/powertv: use common help functions to free reserved pages

[Jiang Liu <liuj97@gmail.com>]

Use common help functions to free reserved pages.

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Jiang Liu <jiang.liu@huawei.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
---
 arch/mips/powertv/asic/asic_devices.c |   13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/arch/mips/powertv/asic/asic_devices.c 
b/arch/mips/powertv/asic/asic_devices.c
index bce1872..746b06d 100644
--- a/arch/mips/powertv/asic/asic_devices.c
+++ b/arch/mips/powertv/asic/asic_devices.c
@@ -529,17 +529,8 @@ EXPORT_SYMBOL(asic_resource_get);
  */
 void platform_release_memory(void *ptr, int size)
 {
-       unsigned long addr;
-       unsigned long end;
-
-       addr = ((unsigned long)ptr + (PAGE_SIZE - 1)) & PAGE_MASK;
-       end = ((unsigned long)ptr + size) & PAGE_MASK;
-
-       for (; addr < end; addr += PAGE_SIZE) {
-               ClearPageReserved(virt_to_page(__va(addr)));
-               init_page_count(virt_to_page(__va(addr)));
-               free_page((unsigned long)__va(addr));
-       }
+       free_reserved_area((unsigned long)ptr, (unsigned long)(ptr + size),
+                          -1, NULL);
 }
 EXPORT_SYMBOL(platform_release_memory);
 
-- 
1.7.9.5