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>

1 files changed, 2 insertions, 28 deletions

diff --git a/arch/c6x/mm/init.c b/arch/c6x/mm/init.c
index 89395f09648a..a9fcd89b251b 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);
 }