diff -urN linux-2.4.19/mm/filemap.c linux-2.4.19.SuSE/mm/filemap.c
--- linux-2.4.19/mm/filemap.c	2003-02-06 16:00:16.000000000 +0100
+++ linux-2.4.19.SuSE/mm/filemap.c	2003-02-06 16:08:03.000000000 +0100
@@ -3632,17 +3632,21 @@
 		/* We haven't tried reading this page before, give it a go. */
 		pr_debug("attempting to read %lu\n", page->index);
 		io->did_read = 1;
-		locked = 0;
-		io->err = page->mapping->a_ops->readpage(io->file, page);
-		if (!io->err) {
-			if (Page_Uptodate(page))
-				goto again;
-			if (wtd_lock_page(&io->wtd, page)) {
-				locked = 1;
-				goto again;
+		if (likely(page->mapping)) {
+			locked = 0;
+			io->err = page->mapping->a_ops->readpage(io->file, page);
+			if (!io->err) {
+				if (Page_Uptodate(page))
+					goto again;
+				if (wtd_lock_page(&io->wtd, page)) {
+					locked = 1;
+					goto again;
+				}
+				return;
 			}
-			return;
-		}
+		} else
+			/* page not mapped, erroring out. */
+			io->err = 0;
 	}
 
 	if (locked)
@@ -3687,10 +3691,18 @@
 			wtd_queue(&io->wtd);
 			return;
 		}
+		/*
+		 * Lock the page and if it is still mapped in the file,
+		 * attempt to read it in.
+		 */
 		if (!TryLockPage(page)) {
-			int ret = readpage(io->file, page);
-			if (ret)
-				printk(KERN_DEBUG "__generic_file_read_iodesc: readpage(%lu): %d\n", page->index, ret);
+			if (likely(page->mapping)) {
+				int ret = readpage(io->file, page);
+				if (ret)
+					pr_debug("__generic_file_read_iodesc: readpage(%lu): %d\n", page->index, ret);
+			} else
+				/* page not mapped, truncated! */
+				unlock_page(page);
 		}
 
 		if (!Page_Uptodate(page) && io->good_idx == -1) {