From: Jiang Liu <liuj97@gmail.com>
Date: Tue, 26 Mar 2013 23:24:29 +0000 (+1100)
Subject: mm/um: use common help functions to free reserved pages
X-Git-Tag: next-20130402~2^2~423
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=5b4b3409eadc8fa22e68872df16ad66249664cf6;p=karo-tx-linux.git

mm/um: use common help functions to free reserved pages

Use common help functions to free reserved pages.

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index 5abcbfbe7e25..d5ac80299cda 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -254,15 +254,7 @@ void free_initmem(void)
 #ifdef CONFIG_BLK_DEV_INITRD
 void free_initrd_mem(unsigned long start, unsigned long end)
 {
-	if (start < end)
-		printk(KERN_INFO "Freeing initrd memory: %ldk freed\n",
-		       (end - start) >> 10);
-	for (; start < end; start += PAGE_SIZE) {
-		ClearPageReserved(virt_to_page(start));
-		init_page_count(virt_to_page(start));
-		free_page(start);
-		totalram_pages++;
-	}
+	free_reserved_area(start, end, 0, "initrd");
 }
 #endif