linux-kernel - Re: [RFC] i386: Remove page sized slabs for pgds and pmds

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Date:	Wed, 28 Mar 2007 15:47:17 -0700
From:	Chris Wright <chrisw@...s-sol.org>
To:	Zachary Amsden <zach@...are.com>
Cc:	William Lee Irwin III <wli@...omorphy.com>,
	Chris Wright <chrisw@...s-sol.org>,
	Christoph Lameter <clameter@....com>,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	jeremy@...p.org
Subject: Re: [RFC] i386: Remove page sized slabs for pgds and pmds

* Zachary Amsden (zach@...are.com) wrote:
> William Lee Irwin III wrote:
> >>clone_pgd_range() for consistency?  and it seems we lost a
> >>paravirt_alloc_pd_clone() in there somewhere.
> >>    
> >
> >Yes, another reason why it shouldn't have been posted as-is. It was not
> >intended to for anything more than comparative benchmarking on systems
> >without graphics running on the bare metal as opposed to Xen/etc. guests.
> >  
> 
> So clone_pgd_range is mostly useless now.  Originally, I intended it to 
> take the part of paravirt_alloc_pd_clone.  We should probably merge the 
> two into just one function, unless someone thinks clone_pgd_range is 
> actually useful for something.

No, I was going to suggest just that.  It was orginially introduced as
the place holder for that IIRC.

thanks,
-chris
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