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Date:      Sun, 10 Nov 2002 21:02:47 -0600
From:      "Alan L. Cox" <alc@imimic.com>
To:        mjacob@feral.com
Cc:        alpha@FreeBSD.ORG, John Baldwin <jhb@FreeBSD.ORG>
Subject:   Re: on the same note..
Message-ID:  <3DCF1DD7.B472A23A@imimic.com>
References:  <Pine.BSF.4.21.0211101804060.62965-100000@beppo>

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Matthew Jacob wrote:
> 
> > Matthew Jacob wrote:
> > >
> > > Err, well, this *is* in vm object allocation...
> >
> > Ah, I see what you're talking about now.  Until the vm object has been
> > returned by the allocation routine it is not shared data.  The
> > generation count is used to detect changes in the list of resident pages
> > by sleeping processes, not to detect that the same storage is being
> > recycled for a new object.
> >
> 
> Well, if this is the case, the allocator shouldn't be just incrementing
> it, should it? Shouldn't it always start at zero?

Basically, yes.  This increment has existed for almost five years.  At
this point, it only exists by inertia.

Alan

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