Use common help functions to free reserved pages.
Signed-off-by: Jiang Liu <jiang....@huawei.com>
Cc: Florian Tobias Schandinat
Cc: linux-fb...@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
---
drivers/video/acornfb.c | 28 ++--------------------------
1 file changed, 2 insertions(+), 26 deletions(-)
diff --git a/drivers/video/acornfb.c b/drivers/video/acornfb.c
index 6488a73..344f2bb 100644
--- a/drivers/video/acornfb.c
+++ b/drivers/video/acornfb.c
@@ -1188,32 +1188,8 @@ static int acornfb_detect_monitortype(void)
static inline void
free_unused_pages(unsigned int virtual_start, unsigned int virtual_end)
{
- int mb_freed = 0;
-
- /*
- * Align addresses
- */
- virtual_start = PAGE_ALIGN(virtual_start);
- virtual_end = PAGE_ALIGN(virtual_end);
-
- while (virtual_start < virtual_end) {
- struct page *page;
-
- /*
- * Clear page reserved bit,
- * set count to 1, and free
- * the page.
- */
- page = virt_to_page(virtual_start);
- ClearPageReserved(page);
- init_page_count(page);
- free_page(virtual_start);
-
- virtual_start += PAGE_SIZE;
- mb_freed += PAGE_SIZE / 1024;
- }
-
- printk("acornfb: freed %dK memory\n", mb_freed);
+ free_reserved_area(virtual_start, PAGE_ALIGN(virtual_end),
+ -1, "acornfb");
}
static int acornfb_probe(struct platform_device *dev)
--
1.7.9.5
--
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