migration_cpu_base 137 kernel/time/hrtimer.c static struct hrtimer_cpu_base migration_cpu_base = { migration_cpu_base 138 kernel/time/hrtimer.c .clock_base = { { .cpu_base = &migration_cpu_base, }, }, migration_cpu_base 141 kernel/time/hrtimer.c #define migration_base migration_cpu_base.clock_base[0]