From: Jiang Liu <liuj97@gmail.com>
Date: Mon, 29 Apr 2013 22:06:51 +0000 (-0700)
Subject: mm/um: use common help functions to free reserved pages
X-Git-Tag: upstream/snapshot3+hdmi~5281^2~92
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e16e0b1b9884f6b27d8021f6a2fd1fe507af2617;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.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>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index 5abcbfb..d5ac802 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