[src/trunk]: src/share/man/man7 Document vm.guard_size and vm.thread_guard_size

[joerg <joerg%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/3a510e045a8f
branches:  trunk
changeset: 355047:3a510e045a8f
user:      joerg <joerg%NetBSD.org@localhost>
date:      Mon Jul 10 22:41:46 2017 +0000

description:
Document vm.guard_size and vm.thread_guard_size

diffstat:

 share/man/man7/sysctl.7 |  11 +++++++++--
 1 files changed, 9 insertions(+), 2 deletions(-)

diffs (39 lines):

diff -r 75a3714d7bb6 -r 3a510e045a8f share/man/man7/sysctl.7
--- a/share/man/man7/sysctl.7   Mon Jul 10 21:43:33 2017 +0000
+++ b/share/man/man7/sysctl.7   Mon Jul 10 22:41:46 2017 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: sysctl.7,v 1.114 2017/07/03 21:30:59 wiz Exp $
+.\"    $NetBSD: sysctl.7,v 1.115 2017/07/10 22:41:46 joerg Exp $
 .\"
 .\" Copyright (c) 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"    @(#)sysctl.3    8.4 (Berkeley) 5/9/95
 .\"
-.Dd March 25, 2017
+.Dd July 2, 2017
 .Dt SYSCTL 7
 .Os
 .Sh NAME
@@ -2381,6 +2381,8 @@
 .It vm.uvmexp2 struct uvmexp_sysctl    no
 .It vm.vmmeter struct vmtotal  no
 .It vm.proc.map        struct kinfo_vmentry    no
+.It vm.guard_size      unsigned int    no
+.It vm.thread_guard_size       unsigned int    yes
 .El
 .Bl -tag -width "123456"
 .It Li vm.anonmax ( Dv VM_ANONMAX )
@@ -2443,6 +2445,11 @@
 Return system wide virtual memory statistics.
 The returned data consists of a
 .Vt struct uvmexp_sysctl .
+.It Li vm.guard_size
+Return system wide guard size for the main thread of a program.
+.It Li vm.thread_guard_size
+Return system wide default size for the guard area of all other threads
+of a program.
 .\" XXX vm.idlezero
 .El
 .Ss The ddb.* subtree ( Dv CTL_DDB )