Re: [ckrm-tech] [RFC][PATCH 5/7] UBC: kernel memory accounting (core)

[Andi Kleen]

> I don't see any good way around that. For the page struct it is a
> material issue, for the others its not a big deal providing we avoid
> accounting dumb stuff like dentries.
>
> At the VM summit Linus suggested one option for user page allocation
> tracking would be to track not per page but by block of pages (say the
> 2MB chunks) and hand those out per container. That would really need the
> defrag work though.

One could always use a second set of arrays, mirroring mem_map

-Andi
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