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mm/m68k: use common help functions to free reserved pages

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Use common help functions to free reserved pages.

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jiang Liu 2013-04-29 15:06:41 -07:00 committed by Linus Torvalds
parent 8be65857f2
commit 920f1ad081
1 changed files with 2 additions and 22 deletions
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24
arch/m68k/mm/init.c
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@ -110,18 +110,7 @@ void __init paging_init(void)
void free_initmem(void)
{
#ifndef CONFIG_MMU_SUN3
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++;
}
pr_notice("Freeing unused kernel memory: %luk freed (0x%x - 0x%x)\n",
(addr - (unsigned long) __init_begin) >> 10,
(unsigned int) __init_begin, (unsigned int) __init_end);
free_initmem_default(0);
#endif /* CONFIG_MMU_SUN3 */
}
@ -213,15 +202,6 @@ void __init mem_init(void)
#ifdef CONFIG_BLK_DEV_INITRD
void free_initrd_mem(unsigned long start, unsigned long end)
{
int pages = 0;
for (; start < end; start += PAGE_SIZE) {
ClearPageReserved(virt_to_page(start));
init_page_count(virt_to_page(start));
free_page(start);
totalram_pages++;
pages++;
}
pr_notice("Freeing initrd memory: %dk freed\n",
pages << (PAGE_SHIFT - 10));
free_reserved_area(start, end, 0, "initrd");
}
#endif