On Mon, 17 Sep 2007, Pavel Emelyanov wrote:

> As I have already told kmalloc caches cannot be accounted easily
> so turning the accounting on for them will fail with -EINVAL.
> Turning the accounting off is possible only if the cache has
> no objects. This is done so because turning accounting off
> implies unaccounting of all the objects in the cache, but due
> to full-pages in slub are not stored in any lists (usually)
> this is impossible to do so, however I'm open for discussion
> of how to make this work.

Where can I find more information why is would not be possible to 
account kmalloc caches?