diff --git a/kernel/exit.c b/kernel/exit.c
index 357d443..ceffc67 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -83,14 +83,10 @@
 	struct sighand_struct *sighand;
 	struct tty_struct *uninitialized_var(tty);
 
-	BUG_ON(!sig);
-	BUG_ON(!atomic_read(&sig->count));
-
 	sighand = rcu_dereference_check(tsk->sighand,
 					rcu_read_lock_held() ||
 					lockdep_tasklist_lock_is_held());
 	spin_lock(&sighand->siglock);
-	atomic_dec(&sig->count);
 
 	posix_cpu_timers_exit(tsk);
 	if (group_dead) {
@@ -130,6 +126,7 @@
 		sig->sum_sched_runtime += tsk->se.sum_exec_runtime;
 	}
 
+	sig->nr_threads--;
 	__unhash_process(tsk, group_dead);
 
 	/*
diff --git a/kernel/fork.c b/kernel/fork.c
index 40cd099..d32410bd 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -877,9 +877,9 @@
 	if (!sig)
 		return -ENOMEM;
 
-	atomic_set(&sig->sigcnt, 1);
-	atomic_set(&sig->count, 1);
+	sig->nr_threads = 1;
 	atomic_set(&sig->live, 1);
+	atomic_set(&sig->sigcnt, 1);
 	init_waitqueue_head(&sig->wait_chldexit);
 	if (clone_flags & CLONE_NEWPID)
 		sig->flags |= SIGNAL_UNKILLABLE;
@@ -1256,9 +1256,9 @@
 	}
 
 	if (clone_flags & CLONE_THREAD) {
-		atomic_inc(&current->signal->sigcnt);
-		atomic_inc(&current->signal->count);
+		current->signal->nr_threads++;
 		atomic_inc(&current->signal->live);
+		atomic_inc(&current->signal->sigcnt);
 		p->group_leader = current->group_leader;
 		list_add_tail_rcu(&p->thread_group, &p->group_leader->thread_group);
 	}