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authorJiang Liu <liuj97@gmail.com>2013-04-29 15:06:36 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-29 15:54:29 -0700
commit2e529815a65a7c7ea61cad0b38e50967a2eb1677 (patch)
tree556a342b79ff3b6c4646f8145ba3ef3834b0b749
parent95a259ed28204c7692fdf902b1742e50efc07c83 (diff)
downloadlinux-2e529815a65a7c7ea61cad0b38e50967a2eb1677.tar.gz
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>
-rw-r--r--arch/cris/mm/init.c16
1 files changed, 2 insertions, 14 deletions
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);
}