diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index 89558d0..27e285b 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -814,4 +814,9 @@
 	[0 ... BITS_TO_LONGS(NR_CPUS)-1] =  0UL				\
 } }
 
+#define CPU_MASK_CPU0							\
+(cpumask_t) { {								\
+	[0] =  1UL							\
+} }
+
 #endif /* __LINUX_CPUMASK_H */