From e10acbc4d272fd17a73138dd9ff9157c15a145ce Mon Sep 17 00:00:00 2001
From: Attilio Rao <attilio@FreeBSD.org>
Date: Fri, 2 Nov 2012 16:31:01 +0000
Subject: [PATCH] Tweak comment to make more clear why it will fail.

Submitted by:	jimharris
---
 sys/sys/mutex.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/sys/mutex.h b/sys/sys/mutex.h
index bd610fd488f..9a36b6310b2 100644
--- a/sys/sys/mutex.h
+++ b/sys/sys/mutex.h
@@ -129,7 +129,7 @@ void	thread_lock_flags_(struct thread *, int, const char *, int);
 /*
  * Top-level macros to provide lock cookie once the actual mtx is passed.
  * They will also prevent passing a malformed object to the mtx KPI by
- * failing compilation.
+ * failing compilation as the mtx_lock reserved member will not be found.
  */
 #define	mtx_init(m, n, t, o)						\
 	_mtx_init(&(m)->mtx_lock, n, t, o)