__cpumask
#undef __cpumask
#define __cpumask(item) __dynamic_array(char, item, -1)
#undef __cpumask
#define __cpumask(item) __dynamic_array(unsigned long, item, -1)
#undef __cpumask
#define __cpumask(item) { \
#undef __cpumask
#define __cpumask(item) __bitmask(item, nr_cpumask_bits)
#undef __cpumask
#define __cpumask(item) __dynamic_array(unsigned long, item, -1)