--- zzzz-none-000/linux-2.4.17/include/asm-i386/processor.h	2001-11-22 19:46:19.000000000 +0000
+++ sangam-fb-322/linux-2.4.17/include/asm-i386/processor.h	2004-11-24 13:21:55.000000000 +0000
@@ -502,7 +502,10 @@
 {
 	 __asm__ __volatile__ ("prefetchw (%0)" : : "r"(x));
 }
-#define spin_lock_prefetch(x)	prefetchw(x)
+#define spin_lock_prefetch(x) do {				\
+	prefetchw(x);						\
+	preempt_prefetch(&current->preempt_count);		\
+} while(0)
 
 #endif