diff --git a/kernel/sched.c b/kernel/sched.c
index ec7fd9cee30665e7626ec7d3fb92f9ee6bd57731..f77f23f8f479c898666082f3c9da0d52bb5a5bab 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4031,7 +4031,7 @@ long sched_getaffinity(pid_t pid, cpumask_t *mask)
 		goto out_unlock;
 
 	retval = 0;
-	cpus_and(*mask, p->cpus_allowed, cpu_possible_map);
+	cpus_and(*mask, p->cpus_allowed, cpu_online_map);
 
 out_unlock:
 	read_unlock(&tasklist_lock);