dl_cpuset_cpumask_can_shrink 6088 kernel/sched/core.c 	ret = dl_cpuset_cpumask_can_shrink(cur, trial);
dl_cpuset_cpumask_can_shrink  324 kernel/sched/sched.h extern int  dl_cpuset_cpumask_can_shrink(const struct cpumask *cur, const struct cpumask *trial);