---
 arch/x86/include/asm/percpu.h |    2 ++
 1 file changed, 2 insertions(+)

Index: linux-2.6/arch/x86/include/asm/percpu.h
===================================================================
--- linux-2.6.orig/arch/x86/include/asm/percpu.h	2009-10-02 16:56:06.000000000 -0500
+++ linux-2.6/arch/x86/include/asm/percpu.h	2009-10-02 16:56:06.000000000 -0500
@@ -231,6 +231,8 @@ do {							\
 
 #endif
 
+#define this_cpu_cmpxchg(var, old, new)	cmpxchg_local(&var, old, new)
+
 /* This is not atomic against other CPUs -- CPU preemption needs to be off */
 #define x86_test_and_clear_bit_percpu(bit, var)				\
 ({									\