Browse Source

fix markup of example line and description of G flag; partly from and

ok jmc@
OPENBSD_4_5
otto 16 years ago
parent
commit
e19c3ba2dd
1 changed files with 4 additions and 5 deletions
  1. +4
    -5
      src/lib/libc/stdlib/malloc.3

+ 4
- 5
src/lib/libc/stdlib/malloc.3 View File

@ -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


Loading…
Cancel
Save