--- linux/mm/vmalloc.c~	Sun Jan 24 19:21:06 1999
+++ linux/mm/vmalloc.c	Sat Feb 20 20:17:11 1999
@@ -187,7 +187,7 @@
 	for (p = &vmlist ; (tmp = *p) ; p = &tmp->next) {
 		if (tmp->addr == addr) {
 			*p = tmp->next;
-			vmfree_area_pages(VMALLOC_VMADDR(tmp->addr), tmp->size);
+			vmfree_area_pages(VMALLOC_VMADDR(tmp->addr), tmp->size - PAGE_SIZE);
 			kfree(tmp);
 			return;
 		}