--- 2.4.19pre7aa3/include/linux/pagemap.h.~1~	Sat Apr 27 00:51:32 2002
+++ 2.4.19pre7aa3/include/linux/pagemap.h	Mon Apr 29 14:24:03 2002
@@ -99,6 +99,8 @@
 		___wait_on_page(page);
 }
 
+extern void wake_up_page(struct page *);
+
 extern struct page * grab_cache_page (struct address_space *, unsigned long);
 extern struct page * grab_cache_page_nowait (struct address_space *, unsigned long);
 
--- 2.4.19pre7aa3/mm/filemap.c.~1~	Sat Apr 27 00:49:17 2002
+++ 2.4.19pre7aa3/mm/filemap.c	Mon Apr 29 14:23:36 2002
@@ -834,6 +834,12 @@
 	remove_wait_queue(waitqueue, &wait);
 }
 
+void wake_up_page(struct page *page)
+{
+	wake_up(page_waitqueue(page));
+}
+EXPORT_SYMBOL(wake_up_page);
+
 /*
  * Get an exclusive lock on the page, optimistically
  * assuming it's not locked..