/*
* Called from mm/filemap_xip.c to unmap empty zero page
*/
-pte_t *page_check_address(struct page *, struct mm_struct *, unsigned long);
-
+pte_t *page_check_address(struct page *, struct mm_struct *,
+ unsigned long, spinlock_t **);
/*
* Used by swapoff to help locate where page is expected in vma.