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

Chandra Seetharaman sekharan at us.ibm.com
Wed Sep 20 18:33:32 PDT 2006


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.

-- 

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