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Re: [patch02/05]: Containers(V2)- Generic Linux kernel changes [message #6656 is a reply to message #6650] Thu, 21 September 2006 00:37 Go to previous messageGo to previous message
Rohit Seth is currently offline  Rohit Seth
Messages: 101
Registered: August 2006
Senior Member
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.
>

Currently it doesn't track kernel memory. That is why I don't want to
over load any of the existing fields.

> Hmm.... Build a radix tree with pointers to the pages?
>

...my preference is to leave it in page struct...that has non-zero cost.

-rohit

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