diff --git a/sys/kern/kern_lwp.c b/sys/kern/kern_lwp.c
index 47127f1d313b..61409be2e1d4 100644
--- a/sys/kern/kern_lwp.c
+++ b/sys/kern/kern_lwp.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: kern_lwp.c,v 1.167 2012/02/19 21:06:51 rmind Exp $	*/
+/*	$NetBSD: kern_lwp.c,v 1.168 2012/04/13 15:32:43 yamt Exp $	*/
 
 /*-
  * Copyright (c) 2001, 2006, 2007, 2008, 2009 The NetBSD Foundation, Inc.
@@ -211,7 +211,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_lwp.c,v 1.167 2012/02/19 21:06:51 rmind Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_lwp.c,v 1.168 2012/04/13 15:32:43 yamt Exp $");
 
 #include "opt_ddb.h"
 #include "opt_lockdebug.h"
@@ -1236,7 +1236,7 @@ lwp_find2(pid_t pid, lwpid_t lid)
 }
 
 /*
- * Look up a live LWP within the specified process, and return it locked.
+ * Look up a live LWP within the specified process.
  *
  * Must be called with p->p_lock held.
  */
diff --git a/sys/kern/kern_proc.c b/sys/kern/kern_proc.c
index a008b15388e5..7da54e37a556 100644
--- a/sys/kern/kern_proc.c
+++ b/sys/kern/kern_proc.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: kern_proc.c,v 1.182 2012/02/19 21:06:52 rmind Exp $	*/
+/*	$NetBSD: kern_proc.c,v 1.183 2012/04/13 15:32:15 yamt Exp $	*/
 
 /*-
  * Copyright (c) 1999, 2006, 2007, 2008 The NetBSD Foundation, Inc.
@@ -62,7 +62,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_proc.c,v 1.182 2012/02/19 21:06:52 rmind Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_proc.c,v 1.183 2012/04/13 15:32:15 yamt Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_kstack.h"
@@ -741,6 +741,11 @@ proc_alloc(void)
 	return p;
 }
 
+/*
+ * proc_alloc_pid: allocate PID and record the given proc 'p' so that
+ * proc_find_raw() can find it by the PID.
+ */
+
 pid_t
 proc_alloc_pid(struct proc *p)
 {