On Tue, 18 Sep 2007, Pavel Emelyanov wrote:

> > Where can I find more information why is would not be possible to 
> > account kmalloc caches?
> 
> It is possible, but the problem is that we want to account only
> allocations explicitly caused by the user request. E.g. the
> vfsmount name is kmalloc-ed by explicit user request, but such
> things as buffer heads are not.
> 
> So we have to explicitly specify which calls to kmalloc() do we
> wand to be accounted and which we do not by passing additional
> flag (GFP_ACCT?) to kmalloc, but this is another patch.
> 
> Yet again - as soon as we agree on the implementation of kmem
> caches accounting, I will proceed with working on kmalloc, vmalloc
> and buddy allocator.

Oh gosh..... Lots of complications in the allocator paths.