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Subject[RFC PATCH v1 06/33] mm/c6x: 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: Mark Salter <msalter@redhat.com>
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
---
arch/c6x/mm/init.c | 30 ++----------------------------
1 file changed, 2 insertions(+), 28 deletions(-)

diff --git a/arch/c6x/mm/init.c b/arch/c6x/mm/init.c
index 89395f0..a9fcd89 100644
--- a/arch/c6x/mm/init.c
+++ b/arch/c6x/mm/init.c
@@ -77,37 +77,11 @@ void __init mem_init(void)
#ifdef CONFIG_BLK_DEV_INITRD
void __init 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++;
- }
- printk(KERN_INFO "Freeing initrd memory: %luk freed\n",
- (pages * PAGE_SIZE) >> 10);
+ free_reserved_area(start, end, 0, "initrd");
}
#endif

void __init free_initmem(void)
{
- unsigned long addr;
-
- /*
- * The following code should be cool even if these sections
- * are not page aligned.
- */
- addr = PAGE_ALIGN((unsigned long)(__init_begin));
-
- /* next to check that the page we free is not a partial page */
- for (; addr + PAGE_SIZE < (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: %dK freed\n",
- (int) ((addr - PAGE_ALIGN((long) &__init_begin)) >> 10));
+ free_initmem_default(0);
}
--
1.7.9.5


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