From: Jiang Liu <liuj97@gmail.com>
Date: Mon, 29 Apr 2013 22:06:44 +0000 (-0700)
Subject: mm/mn10300: use common help functions to free reserved pages
X-Git-Tag: upstream/snapshot3+hdmi~5281^2~99
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=32ce012064b3cc89d2081d34a745af598e5e56c5;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

mm/mn10300: 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: Koichi Yasutake <yasutake.koichi@jp.panasonic.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/arch/mn10300/mm/init.c b/arch/mn10300/mm/init.c
index e57e5bc..5a8ace6 100644
--- a/arch/mn10300/mm/init.c
+++ b/arch/mn10300/mm/init.c
@@ -139,30 +139,11 @@ void __init mem_init(void)
 }
 
 /*
- *
- */
-void free_init_pages(char *what, unsigned long begin, unsigned long end)
-{
-	unsigned long addr;
-
-	for (addr = begin; addr < end; addr += PAGE_SIZE) {
-		ClearPageReserved(virt_to_page(addr));
-		init_page_count(virt_to_page(addr));
-		memset((void *) addr, 0xcc, PAGE_SIZE);
-		free_page(addr);
-		totalram_pages++;
-	}
-	printk(KERN_INFO "Freeing %s: %ldk freed\n", what, (end - begin) >> 10);
-}
-
-/*
  * recycle memory containing stuff only required for initialisation
  */
 void free_initmem(void)
 {
-	free_init_pages("unused kernel memory",
-			(unsigned long) &__init_begin,
-			(unsigned long) &__init_end);
+	free_initmem_default(POISON_FREE_INITMEM);
 }
 
 /*
@@ -171,6 +152,6 @@ void free_initmem(void)
 #ifdef CONFIG_BLK_DEV_INITRD
 void free_initrd_mem(unsigned long start, unsigned long end)
 {
-	free_init_pages("initrd memory", start, end);
+	free_reserved_area(start, end, POISON_FREE_INITMEM, "initrd");
 }
 #endif