diff -NBbru linux-2.4.6.vanilla/include/linux/list.h linux-2.4.6/include/linux/list.h
--- linux-2.4.6.vanilla/include/linux/list.h	Fri Feb 16 16:06:17 2001
+++ linux-2.4.6/include/linux/list.h	Mon Jul  2 16:14:27 2001
@@ -148,6 +148,10 @@
  */
 #define list_for_each(pos, head) \
 	for (pos = (head)->next; pos != (head); pos = pos->next)
+
+#define list_first(head)	(((head)->next != (head)) ? (head)->next: (struct list_head *) 0)
+
+#define list_last(head)	(((head)->prev != (head)) ? (head)->prev: (struct list_head *) 0)

 #endif /* __KERNEL__ || _LVM_H_INCLUDE */

diff -NBbru linux-2.4.6.vanilla/include/linux/macros.h linux-2.4.6/include/linux/macros.h
--- linux-2.4.6.vanilla/include/linux/macros.h	Wed Dec 31 16:00:00 1969
+++ linux-2.4.6/include/linux/macros.h	Wed Jul  4 16:41:31 2001
@@ -0,0 +1,19 @@
+#ifndef _LINUX_MACROS_H
+#define _LINUX_MACROS_H
+
+
+#ifndef min
+#define min(a, b)	(((a) < (b)) ? (a): (b))
+#endif
+
+#ifndef max
+#define max(a, b)	(((a) > (b)) ? (a): (b))
+#endif
+
+#ifndef abs
+#define abs(a)	(((a) > 0) ? (a): -(a))
+#endif
+
+
+
+#endif