[PATCH v5, part3 07/15] mm, acornfb: use free_reserved_area() to simplify code
From: Jiang Liu <hidden>
Date: 2013-05-08 15:19:26
Also in:
linux-arch, linux-mm, lkml
Subsystem:
framebuffer layer, the rest · Maintainers:
Helge Deller, Linus Torvalds
Use common help function free_reserved_area() to simplify code. Signed-off-by: Jiang Liu <redacted> Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Cc: linux-fbdev@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)
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1.7.9.5