Remove mprotecting of struct dir_info introduced in previous commit

(MALLOC_OPTIONS=L). It was too slow to turn on by default, and we
don't do optional security.

requested by deraadt@ grumbling ok otto@

1 files changed, 2 insertions, 9 deletions

diff --git a/src/lib/libc/stdlib/malloc.3 b/src/lib/libc/stdlib/malloc.3
index 2458834302..c3566e37e8 100644
--- a/src/lib/libc/stdlib/malloc.3
+++ b/src/lib/libc/stdlib/malloc.3
@@ -30,9 +30,9 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"     $OpenBSD: malloc.3,v 1.59 2008/12/29 22:25:50 djm Exp $
+.\"     $OpenBSD: malloc.3,v 1.60 2008/12/30 07:44:51 djm Exp $
 .\"
-.Dd $Mdocdate: December 29 2008 $
+.Dd $Mdocdate: December 30 2008 $
 .Dt MALLOC 3
 .Os
 .Sh NAME
@@ -249,13 +249,6 @@ Currently junk is bytes of 0xd0 when allocating; this is pronounced
 .Dq Duh .
 \&:-)
 Freed chunks are filled with 0xdf.
-.It Cm L
-.Dq Lock .
-Lock critical data structures using
-.Xr mprotect 2
-to protect against modification except by
-.Nm
-and related routines.
 .It Cm P
 .Dq Move allocations within a page.
 Allocations larger than half a page but smaller than a page