From 556c3162b9f3b89738db95a8f10ba43caf8f443d Mon Sep 17 00:00:00 2001
From: Robert Watson <rwatson@FreeBSD.org>
Date: Wed, 22 Oct 2008 16:50:12 +0000
Subject: [PATCH] Update mmap() comment: no more block devices, so no more
 block device cache coherency questions.

MFC after:	3 days
---
 sys/vm/vm_mmap.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/sys/vm/vm_mmap.c b/sys/vm/vm_mmap.c
index c3f08b017bc1..3f1d43d26030 100644
--- a/sys/vm/vm_mmap.c
+++ b/sys/vm/vm_mmap.c
@@ -187,10 +187,6 @@ ogetpagesize(td, uap)
  * memory-based, such as a video framebuffer, can be mmap'd.  Otherwise
  * there would be no cache coherency between a descriptor and a VM mapping
  * both to the same character device.
- *
- * Block devices can be mmap'd no matter what they represent.  Cache coherency
- * is maintained as long as you do not write directly to the underlying
- * character device.
  */
 #ifndef _SYS_SYSPROTO_H_
 struct mmap_args {