mm/IA64: 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: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 19 deletions

diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 20bc967c7209..d1fe4b402601 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -154,25 +154,14 @@ ia64_init_addr_space (void)
 void
 free_initmem (void)
 {
-        unsigned long addr, eaddr;
-
-        addr = (unsigned long) ia64_imva(__init_begin);
-        eaddr = (unsigned long) ia64_imva(__init_end);
-        while (addr < eaddr) {
-                ClearPageReserved(virt_to_page(addr));
-                init_page_count(virt_to_page(addr));
-                free_page(addr);
-                ++totalram_pages;
-                addr += PAGE_SIZE;
-        }
-        printk(KERN_INFO "Freeing unused kernel memory: %ldkB freed\n",
-               (__init_end - __init_begin) >> 10);
+        free_reserved_area((unsigned long)ia64_imva(__init_begin),
+                           (unsigned long)ia64_imva(__init_end),
+                           0, "unused kernel");
 }
 
 void __init
 free_initrd_mem (unsigned long start, unsigned long end)
 {
-        struct page *page;
         /*
          * EFI uses 4KB pages while the kernel can use 4KB or bigger.
          * Thus EFI and the kernel may have different page sizes. It is
@@ -213,11 +202,7 @@ free_initrd_mem (unsigned long start, unsigned long end)
         for (; start < end; start += PAGE_SIZE) {
                 if (!virt_addr_valid(start))
                         continue;
-                page = virt_to_page(start);
-                ClearPageReserved(page);
-                init_page_count(page);
-                free_page(start);
-                ++totalram_pages;
+                free_reserved_page(virt_to_page(start));
         }
 }