---
 arch/powerpc/platforms/powermac/smp.c |    7 +++++++
 1 file changed, 7 insertions(+)

Index: linux-2.6.19-rc1/arch/powerpc/platforms/powermac/smp.c
===================================================================
--- linux-2.6.19-rc1.orig/arch/powerpc/platforms/powermac/smp.c
+++ linux-2.6.19-rc1/arch/powerpc/platforms/powermac/smp.c
@@ -867,7 +867,14 @@ int smp_core99_cpu_disable(void)
 	return 0;
 }
 
+#if defined(CONFIG_PM) || defined(CONFIG_CPU_FREQ_PMAC)
 extern void low_cpu_die(void) __attribute__((noreturn)); /* in sleep.S */
+#else
+void low_cpu_die(void)
+{
+}
+#endif
+
 static int cpu_dead[NR_CPUS];
 
 void cpu_die(void)