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From: John Baldwin <jhb@freebsd.org>
To: Bruce Evans <brde@optusnet.com.au>
Date: Fri, 2 Mar 2012 09:52:33 -0500
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Cc: svn-src-head@freebsd.org, Tijl Coosemans <tijl@freebsd.org>,
	src-committers@freebsd.org, svn-src-all@freebsd.org
Subject: Re: svn commit: r232261 - in head/sys: amd64/include i386/include
	pc98/include x86/include
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On Friday, March 02, 2012 12:10:38 am Bruce Evans wrote:
> It's too late to change vm types.  The distinction between addresses
> and sizes became useful first with file offsets (vm_ooffset_t.  BTW,
> what is an o offset?) and then for physical offsets.

The 'o' stands for 'object', so 'vm_ooffset_t' is a VM object offset (at least 
that's my interpretation).

-- 
John Baldwin