--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -4871,12 +4871,7 @@
 			nr = cpuset_num_cpus(cgrp);
 	}
 
-	/*
-	 * An empty cpuset would propagate a 0 shares_max into
-	 * __calc_smp_shares(), where clamp() yields hi when hi < lo and so
-	 * defeats the MIN_SHARES floor. Match tg_tasks(), which floors at 1.
-	 */
-	return max(nr, 1);
+	return nr;
 }
 
 static inline int tg_tasks(struct task_group *tg)