diff --git a/kernel/cpu.c b/kernel/cpu.c
index faf0f23..db9f6c5 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -1309,9 +1309,6 @@ static int takedown_cpu(unsigned int cpu)
 	 */
 	irq_lock_sparse();
 
-	/*
-	 * So now all preempt/rcu users must observe !cpu_active().
-	 */
 	err = stop_machine_cpuslocked(take_cpu_down, NULL, cpumask_of(cpu));
 	if (err) {
 		/* CPU refused to die */
diff --git a/kernel/smp.c b/kernel/smp.c
index 4649fa4..56f83aa 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -1018,7 +1018,7 @@ void __init smp_init(void)
  * @cond_func:	A callback function that is passed a cpu id and
  *		the info parameter. The function is called
  *		with preemption disabled. The function should
- *		return a blooean value indicating whether to IPI
+ *		return a boolean value indicating whether to IPI
  *		the specified CPU.
  * @func:	The function to run on all applicable CPUs.
  *		This must be fast and non-blocking.