--- 2.5/arch/i386/mm/pageattr.c	2003-06-29 14:45:19.000000000 +0200
+++ build-2.5/arch/i386/mm/pageattr.c	2003-06-29 14:58:11.000000000 +0200
@@ -197,6 +197,8 @@
 #ifdef CONFIG_DEBUG_PAGEALLOC
 void kernel_map_pages(struct page *page, int numpages, int enable)
 {
+	if (page >= highmem_start_page) 
+		return;
 	/* the return value is ignored - the calls cannot fail,
 	 * large pages are disabled at boot time.
 	 */