diff -urN prefetch-ref/fs/inode.c prefetch/fs/inode.c
--- prefetch-ref/fs/inode.c	Thu Aug 30 04:29:09 2001
+++ prefetch/fs/inode.c	Thu Aug 30 04:29:28 2001
@@ -15,6 +15,7 @@
 #include <linux/cache.h>
 #include <linux/swap.h>
 #include <linux/swapctl.h>
+#include <linux/prefetch.h>
 
 /*
  * New inode.c implementation.
@@ -810,6 +811,8 @@
 	static unsigned long last_ino;
 	struct inode * inode;
 
+	spin_lock_prefetch(&inode_lock);
+	
 	inode = alloc_inode();
 	if (inode)
 	{
diff -urN prefetch-ref/include/asm-i386/uaccess.h prefetch/include/asm-i386/uaccess.h
--- prefetch-ref/include/asm-i386/uaccess.h	Thu Aug 30 04:29:07 2001
+++ prefetch/include/asm-i386/uaccess.h	Thu Aug 30 04:29:28 2001
@@ -531,6 +531,7 @@
 static inline unsigned long
 __constant_copy_to_user(void *to, const void *from, unsigned long n)
 {
+	prefetch(from);
 	if (access_ok(VERIFY_WRITE, to, n))
 		__constant_copy_user(to,from,n);
 	return n;
diff -urN prefetch-ref/include/linux/list.h prefetch/include/linux/list.h
--- prefetch-ref/include/linux/list.h	Thu Feb 22 03:45:12 2001
+++ prefetch/include/linux/list.h	Thu Aug 30 04:29:28 2001
@@ -3,6 +3,8 @@
 
 #if defined(__KERNEL__) || defined(_LVM_H_INCLUDE)
 
+#include <linux/prefetch.h>
+
 /*
  * Simple doubly linked list implementation.
  *
@@ -147,8 +149,9 @@
  * @head:	the head for your list.
  */
 #define list_for_each(pos, head) \
-	for (pos = (head)->next; pos != (head); pos = pos->next)
-
+	for (pos = (head)->next, prefetch(pos->next); pos != (head); \
+        	pos = pos->next, prefetch(pos->next))
+        	
 #endif /* __KERNEL__ || _LVM_H_INCLUDE */
 
 #endif
diff -urN prefetch-ref/kernel/sched.c prefetch/kernel/sched.c
--- prefetch-ref/kernel/sched.c	Thu Aug 30 04:29:09 2001
+++ prefetch/kernel/sched.c	Thu Aug 30 04:29:28 2001
@@ -27,6 +27,7 @@
 #include <linux/interrupt.h>
 #include <linux/kernel_stat.h>
 #include <linux/completion.h>
+#include <linux/prefetch.h>
 
 #include <asm/uaccess.h>
 #include <asm/mmu_context.h>
@@ -575,6 +576,8 @@
 #ifdef CONFIG_NUMA_SCHED
 	int recalculate_all;
 #endif
+
+	spin_lock_prefetch(&runqueue_lock);
 
 	if (!current->active_mm) BUG();
 need_resched_back:
--- 2.4.10pre2aa2/include/asm-alpha/processor.h	Thu Aug 30 20:41:44 2001
+++ 2.4.9ac5-tux2.1.0/include/asm-alpha/processor.h	Fri Aug 31 17:09:55 2001
@@ -145,5 +148,26 @@
 
 #define init_task	(init_task_union.task)
 #define init_stack	(init_task_union.stack)
+
+#define ARCH_HAS_PREFETCH
+#define ARCH_HAS_PREFETCHW
+#define ARCH_HAS_SPINLOCK_PREFETCH
+
+extern inline void prefetch(const void *ptr)  
+{ 
+	__asm__ ("ldl $31,%0" : : "m"(*(char *)ptr)); 
+}
+
+extern inline void prefetchw(const void *ptr)  
+{
+	__asm__ ("ldl $31,%0" : : "m"(*(char *)ptr)); 
+}
+
+extern inline void spin_lock_prefetch(const void *ptr)  
+{
+	__asm__ ("ldl $31,%0" : : "m"(*(char *)ptr)); 
+}
+	
+
 
 #endif /* __ASM_ALPHA_PROCESSOR_H */