From owner-freebsd-hackers  Sun Jun 23 17:10:40 2002
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Date: Sun, 23 Jun 2002 17:09:48 -0700
From: Terry Lambert <tlambert2@mindspring.com>
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To: Patrick Thomas <root@utility.clubscholarship.com>
Cc: Nielsen <nielsen@memberwebs.com>, hackers@freebsd.org
Subject: Re: (jail) problem and a (possible) solution ?
References: <20020623114503.W68572-100000@utility.clubscholarship.com>
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Patrick Thomas wrote:
> Because I am paranoid, I like to check the state of a measurement before
> making a change and then after, to see that what I did did indeed induce a
> change ... I have this irrational fear that sometimes I make changes like
> this and nothing in fact changed, and I just don't know it :)
> 
> So, should I just look for the value of:
> 
> vm.zone_kmem_kvaspace: 179691520
> 
> to increase in size even though the physical RAM stays the same at 3gigs,
> or is there some other measurement I should look at before and after the
> KVA increase to ensure that it worked (and yes, I know that if it doesn't
> work I probably will have an inoperable machine, but just out of
> curiousity...)

Yes.

You will also see the kernel load address during the boot process,
which you can interrupt/pause until you are satisfied.

-- Terry

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