1 files changed, 4 insertions, 2 deletions

diff --git a/mm/swap.c b/mm/swap.c
index d9a3770d8f3c..2ed7be39795e 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -57,9 +57,9 @@ static void put_compound_page(struct page *page)
 {
         page = (struct page *)page_private(page);
         if (put_page_testzero(page)) {
-                void (*dtor)(struct page *page);
+                compound_page_dtor *dtor;
 
-                dtor = (void (*)(struct page *))page[1].lru.next;
+                dtor = get_compound_page_dtor(page);
                 (*dtor)(page);
         }
 }
@@ -514,5 +514,7 @@ void __init swap_setup(void)
          * Right now other parts of the system means that we
          * _really_ don't want to cluster much more
          */
+#ifdef CONFIG_HOTPLUG_CPU
         hotcpu_notifier(cpu_swap_callback, 0);
+#endif
 }