linux-kernel - Re: [ckrm-tech] [patch02/05]: Containers(V2)- Generic Linux kernel changes

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Message-Id: <1158802412.6536.127.camel@linuxchandra>
Date:	Wed, 20 Sep 2006 18:33:32 -0700
From:	Chandra Seetharaman <sekharan@...ibm.com>
To:	Christoph Lameter <clameter@....com>
Cc:	Andi Kleen <ak@...e.de>, rohitseth@...gle.com,
	linux-kernel <linux-kernel@...r.kernel.org>, devel@...nvz.org,
	CKRM-Tech <ckrm-tech@...ts.sourceforge.net>
Subject: Re: [ckrm-tech] [patch02/05]: Containers(V2)- Generic Linux kernel
	changes

On Wed, 2006-09-20 at 17:23 -0700, Christoph Lameter wrote:
> On Wed, 20 Sep 2006, Andi Kleen wrote:
> 
> > There are lots of different cases. At least for anonymous memory 
> > ->mapping should be free. Perhaps that could be used for anonymous
> > memory and a separate data structure for the important others.
> 
> mapping is used for swap and to point to the anon vma.
> 
> > slab should have at least one field free too, although it might be a different
> > one (iirc Christoph's rewrite uses more than the current slab, but it would
> > surprise me if he needed all) 
> 
> slab currently has lots of fields free but my rewrite uses all of them.
> And AFAICT this patchset does not track slab pages.
> 
> Hmm.... Build a radix tree with pointers to the pages?

Yes, that would be a way to isolate the overhead.

-- 

----------------------------------------------------------------------
    Chandra Seetharaman               | Be careful what you choose....
              - sekharan@...ibm.com   |      .......you may get it.
----------------------------------------------------------------------


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