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From: Gleb Smirnoff <glebius@FreeBSD.org>
Date: Thu, 14 Nov 2013 09:17:27 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r258122 - head/share/man/man4
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Author: glebius
Date: Thu Nov 14 09:17:27 2013
New Revision: 258122
URL: http://svnweb.freebsd.org/changeset/base/258122

Log:
  Emphasize that pf(4) in FreeBSD doesn't match pf(4) in
  OpenBSD 4.5, but is derived from it, and got some
  important local changes.
  
  Wording by:	cperciva

Modified:
  head/share/man/man4/pf.4

Modified: head/share/man/man4/pf.4
==============================================================================
--- head/share/man/man4/pf.4	Thu Nov 14 09:14:33 2013	(r258121)
+++ head/share/man/man4/pf.4	Thu Nov 14 09:17:27 2013	(r258122)
@@ -28,7 +28,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd September 18 2012
+.Dd November 14, 2013
 .Dt PF 4
 .Os
 .Sh NAME
@@ -1181,5 +1181,8 @@ packet filtering mechanism first appeare
 and then
 .Fx 5.2 .
 .Pp
-This implementation matches
+This implementation is derived from
 .Ox 4.5 .
+It has been heavily modified to be capable of running in multithreaded
+.Fx
+kernel and scale its performance on multiple CPUs.