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Subject[RFC PATCH v1 12/33] mm/m68k: use common help functions to free reserved pages
Date
Use common help functions to free reserved pages.

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
---
arch/m68k/mm/init.c | 24 ++----------------------
1 file changed, 2 insertions(+), 22 deletions(-)

diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c
index afd8106f..b5c1ab1 100644
--- a/arch/m68k/mm/init.c
+++ b/arch/m68k/mm/init.c
@@ -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
--
1.7.9.5


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