svn commit: r301177 - head/share/man/man9

Mark Johnston markj at FreeBSD.org
Wed Jun 1 22:34:23 UTC 2016


Author: markj
Date: Wed Jun  1 22:34:21 2016
New Revision: 301177
URL: https://svnweb.freebsd.org/changeset/base/301177

Log:
  Remove the BUGS entry in memguard's man page.
  
  UMA refcounting is gone as of r296243, so this bug no longer exists. In
  particular, it's now possible to guard mbuf clusters with memguard.

Modified:
  head/share/man/man9/memguard.9

Modified: head/share/man/man9/memguard.9
==============================================================================
--- head/share/man/man9/memguard.9	Wed Jun  1 22:31:35 2016	(r301176)
+++ head/share/man/man9/memguard.9	Wed Jun  1 22:34:21 2016	(r301177)
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd March 21, 2014
+.Dd June 1, 2016
 .Dt MEMGUARD 9
 .Os
 .Sh NAME
@@ -204,17 +204,3 @@ Additions have been made by
 and
 .An Gleb Smirnoff Aq Mt glebius at FreeBSD.org
 to both the implementation and the documentation.
-.Sh BUGS
-It is not possible to guard allocations that really expect themselves to be
-allocated from
-.Xr uma 9 ,
-utilizing additional interfaces apart from
-.Fn uma_zalloc
-and
-.Fn uma_free ,
-for example
-.Fn uma_find_refcnt .
-For the moment of writing only
-.Xr mbuf 9
-cluster zones belong to that kind of allocations.
-Attempt to guard them would lead to kernel panic.


More information about the svn-src-head mailing list