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Date:      Thu, 20 Nov 2008 09:23:52 -0800
From:      Marcel Moolenaar <xcllnt@mac.com>
To:        Nathan Whitehorn <nwhitehorn@freebsd.org>
Cc:        Perforce Change Reviews <perforce@freebsd.org>
Subject:   Re: PERFORCE change 153267 for review
Message-ID:  <1DD739B8-6D48-49DC-8BAC-299D9AD9FC4C@mac.com>
In-Reply-To: <200811201707.mAKH7dcT045326@repoman.freebsd.org>
References:  <200811201707.mAKH7dcT045326@repoman.freebsd.org>

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On Nov 20, 2008, at 9:07 AM, Nathan Whitehorn wrote:

> http://perforce.freebsd.org/chv.cgi?CH=153267
>
> Change 153267 by nwhitehorn@nwhitehorn_trantor on 2008/11/20 17:07:25
>
> 	Make ofw_real work on kernels with options SMP by making the bounce
> 	page static. On SMP systems, we can get OF calls after the MMU is on
> 	but before the VM is up. This means contigmalloc() is not available.
> 	This is not a good solution, but I can't think of anything else.

You can grab pages by adjusting phys_avail. This achieves
pretty much the same, but avoids bloating the kernel. If
it's possible to give those pages back to the VM after the
VM has been initialized, then that would be another
benefit...

FYI,

-- 
Marcel Moolenaar
xcllnt@mac.com






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