[src/trunk]: src/sys/kern get the maxrss from the vmspace field,...

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

details:   https://anonhg.NetBSD.org/src/rev/eeb33b708362
branches:  trunk
changeset: 318883:eeb33b708362
user:      christos <christos%NetBSD.org@localhost>
date:      Tue May 08 19:34:54 2018 +0000
description:
get the maxrss from the vmspace field, and handle platforms that don't
have pmap statistics here.

diffstat:

 sys/kern/kern_resource.c |  10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diffs (31 lines):

diff -r b8a7f36f5e0c -r eeb33b708362 sys/kern/kern_resource.c
--- a/sys/kern/kern_resource.c  Tue May 08 19:33:57 2018 +0000
+++ b/sys/kern/kern_resource.c  Tue May 08 19:34:54 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kern_resource.c,v 1.178 2018/05/07 21:03:45 christos Exp $     */
+/*     $NetBSD: kern_resource.c,v 1.179 2018/05/08 19:34:54 christos Exp $     */
 
 /*-
  * Copyright (c) 1982, 1986, 1991, 1993
@@ -37,7 +37,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_resource.c,v 1.178 2018/05/07 21:03:45 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_resource.c,v 1.179 2018/05/08 19:34:54 christos Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -604,6 +604,12 @@
        ru->ru_ixrss = vm->vm_tsize << (PAGE_SHIFT - 10);
        ru->ru_idrss = vm->vm_dsize << (PAGE_SHIFT - 10);
        ru->ru_isrss = vm->vm_ssize << (PAGE_SHIFT - 10);
+#ifdef __HAVE_NO_PMAP_STATS
+       /* We don't keep track of the max so we get the current */
+       ru->ru_maxrss = vm_resident_space(vm) << (PAGE_SHIFT - 10);
+#else
+       ru->ru_maxrss = vm->vm_rssmax << (PAGE_SHIFT - 10);
+#endif
 }
 
 void