mm/c6x: use common help functions to free reserved pages

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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/c6x/mm/init.c b/arch/c6x/mm/init.c
index 89395f0..a9fcd89 100644 (file)
--- 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);
 }