diff --git a/include/linux/mm.h b/include/linux/mm.h
index 0514fe9..5ddb11b 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -442,6 +442,7 @@
 
 void split_page(struct page *page, unsigned int order);
 int split_free_page(struct page *page);
+int capture_free_page(struct page *page, int alloc_order, int migratetype);
 
 /*
  * Compound pages have a destructor function.  Provide a