diff --git a/include/linux/mm.h b/include/linux/mm.h
index 8cbc0aaf..b05bbde 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -796,6 +796,8 @@
 
 int truncate_inode_page(struct address_space *mapping, struct page *page);
 
+int invalidate_inode_page(struct page *page);
+
 #ifdef CONFIG_MMU
 extern int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma,
 			unsigned long address, unsigned int flags);