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Date: Thu, 28 Oct 2010 12:35:18 -0500
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From: Alan Cox <alan.l.cox@gmail.com>
To: Eknath Venkataramani <eknath.iyer@gmail.com>
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Cc: freebsd-hackers@freebsd.org
Subject: Re: vm_object ref_count question
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On Thu, Oct 28, 2010 at 2:48 AM, Eknath Venkataramani <eknath.iyer@gmail.com
> wrote:

> ref_count is defined inside struct vm_object.
> and it is incremented everytime the object is referenced
> How is the page reference logged then? rather in which variable?
>
>
There is no per-page reference.  There is, however, a
garbage-collection-like process performed by vm_object_collapse().

Regards,
Alan