diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 14634246a666..f534c0473a46 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -4303,7 +4303,7 @@ static void __cgroup_kill(struct cgroup *cgrp)
 	cgrp->kill_seq++;
 	spin_unlock_irq(&css_set_lock);
 
-	css_task_iter_start(&cgrp->self, CSS_TASK_ITER_PROCS | CSS_TASK_ITER_THREADED, &it);
+	css_task_iter_start(&cgrp->self, CSS_TASK_ITER_THREADED, &it);
 	while ((task = css_task_iter_next(&it))) {
 		/* Ignore kernel threads here. */
 		if (task->flags & PF_KTHREAD)
@@ -4313,7 +4313,7 @@ static void __cgroup_kill(struct cgroup *cgrp)
 		if (__fatal_signal_pending(task))
 			continue;
 
-		send_sig(SIGKILL, task, 0);
+		do_send_sig_info(SIGKILL, SEND_SIG_NOINFO, task, PIDTYPE_TGID);
 	}
 	css_task_iter_end(&it);
 }