From: Jiang Liu <liuj97@gmail.com>
Date: Mon, 29 Apr 2013 22:06:36 +0000 (-0700)
Subject: mm/cris: use common help functions to free reserved pages
X-Git-Tag: firefly_0821_release~3680^2~665^2~107
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=2e529815a65a7c7ea61cad0b38e50967a2eb1677;p=firefly-linux-kernel-4.4.55.git

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

Use common help functions to free reserved pages.
Also include <asm/sections.h> to avoid local declaration.

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Mikael Starvik <starvik@axis.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/arch/cris/mm/init.c b/arch/cris/mm/init.c
index d72ab58fd83e..9ac80946dada 100644
--- a/arch/cris/mm/init.c
+++ b/arch/cris/mm/init.c
@@ -12,12 +12,10 @@
 #include <linux/init.h>
 #include <linux/bootmem.h>
 #include <asm/tlb.h>
+#include <asm/sections.h>
 
 unsigned long empty_zero_page;
 
-extern char _stext, _edata, _etext; /* From linkerscript */
-extern char __init_begin, __init_end;
-
 void __init
 mem_init(void)
 {
@@ -67,15 +65,5 @@ mem_init(void)
 void 
 free_initmem(void)
 {
-        unsigned long addr;
-
-        addr = (unsigned long)(&__init_begin);
-        for (; addr < (unsigned long)(&__init_end); addr += PAGE_SIZE) {
-                ClearPageReserved(virt_to_page(addr));
-                init_page_count(virt_to_page(addr));
-                free_page(addr);
-                totalram_pages++;
-        }
-        printk (KERN_INFO "Freeing unused kernel memory: %luk freed\n",
-		(unsigned long)((&__init_end - &__init_begin) >> 10));
+	free_initmem_default(0);
 }