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Date: Mon, 26 Jul 2010 23:55:34 +0300
From: Andriy Gapon <avg@freebsd.org>
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To: Scott Long <scottl@samsco.org>
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Cc: alc@freebsd.org, Matthew Fleming <mdf356@gmail.com>,
	freebsd-arch@freebsd.org
Subject: Re: amd64: change VM_KMEM_SIZE_SCALE to 1?
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on 26/07/2010 22:42 Scott Long said the following:
> On Jul 26, 2010, at 1:35 PM, Alan Cox wrote:
>> Peter,
>> 
>> In FreeBSD >= 7.3, the kernel address space limit is no longer 6GB.  It is 
>> now 512GB.
>> 
> 
> Ok, I mistakenly thought that it was still 2GB/6GB as well.  So to be clear,
> KVA maxes out at ? 

As Alan said - 512GB.

> and kmem maxes out at ?

There is a formula with bunch of tunables, but normally it's 1/3 of available
physical memory.

Unless I am mistaken.

-- 
Andriy Gapon