-extern int migrate_page(struct page *, struct page *);
-extern void migrate_page_copy(struct page *, struct page *);
-extern int migrate_page_remove_references(struct page *, struct page *, int);
-extern int migrate_pages(struct list_head *l, struct list_head *t,
- struct list_head *moved, struct list_head *failed);
-extern int migrate_pages_to(struct list_head *pagelist,
- struct vm_area_struct *vma, int dest);
-extern int fail_migrate_page(struct page *, struct page *);
+extern int migrate_page(struct address_space *,
+ struct page *, struct page *);
+extern int migrate_pages(struct list_head *l, new_page_t x, unsigned long);