vm_object ref_count question
alan.l.cox at gmail.com
Thu Oct 28 17:35:20 UTC 2010
On Thu, Oct 28, 2010 at 2:48 AM, Eknath Venkataramani <eknath.iyer at gmail.com
> 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().
More information about the freebsd-hackers