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authorOtto Moerbeek <otto@cvs.openbsd.org>2008-11-02 14:42:02 +0000
committerOtto Moerbeek <otto@cvs.openbsd.org>2008-11-02 14:42:02 +0000
commit9c741eb22a749635d4ec020b510b870c4e2a25b1 (patch)
tree686f23d73be2028f6bbac9aaff26a11fe4303f23 /lib/libc/stdlib/malloc.3
parent4ef08f97785560af1a1072692c5c0c8a0c708ec5 (diff)
fix markup of example line and description of G flag; partly from and
ok jmc@
Diffstat (limited to 'lib/libc/stdlib/malloc.3')
-rw-r--r--lib/libc/stdlib/malloc.39
1 files changed, 4 insertions, 5 deletions
diff --git a/lib/libc/stdlib/malloc.3 b/lib/libc/stdlib/malloc.3
index 8da3a299e19..a6a8014433b 100644
--- a/lib/libc/stdlib/malloc.3
+++ b/lib/libc/stdlib/malloc.3
@@ -30,7 +30,7 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
-.\" $OpenBSD: malloc.3,v 1.55 2008/11/02 08:50:41 otto Exp $
+.\" $OpenBSD: malloc.3,v 1.56 2008/11/02 14:42:01 otto Exp $
.\"
.Dd $Mdocdate: November 2 2008 $
.Dt MALLOC 3
@@ -235,10 +235,9 @@ Unused pages on the freelist are read and write protected to
cause a segmentation fault upon access.
.It Cm G
.Dq Guard .
-Enable guard pages and chunk randomization.
+Enable guard pages.
Each page size or larger allocation is followed by a guard page that will
cause a segmentation fault upon any access.
-Smaller than page size chunks are returned in a random order.
.It Cm H
.Dq Hint .
Pass a hint to the kernel about pages we don't use.
@@ -295,8 +294,8 @@ Decrease the size of the free page cache by a factor of two.
Increase the size of the free page cache by a factor of two.
.El
.Pp
-So to set a systemwide reduction of cache size and coredumps on problems:
-.Li ln -s 'G<' /etc/malloc.conf
+So to set a systemwide reduction of cache size and use guard pages:
+.Dl # ln -s 'G\*(Lt' /etc/malloc.conf
.Pp
The
.Cm J