Re: [PATCH 2.6.17-rc6 7/9] Remove some of the kmemleak false positives

[Ingo Molnar <mingo@elte.hu>]

* Pekka J Enberg <penberg@cs.Helsinki.FI> wrote:

> > >   - arch/i386/kernel/setup.c:
> > >     False positive because res pointer is stored in a global instance of
> > >     struct resource.
> > 
> > there's no good way around this one but to annotate it in one way or 
> > another.
> 
> Scanning bss and data sections is too expensive, I guess.  I would 
> prefer we create a separate section for gc roots but what you're 
> suggesting is ok as well.

kmemleak does scan global data sections. I dont know why we dont 
discover this particular pointer though: the resource pointer ought to 
be accessible via the iomem_resource.parent/sibling/child sorted list. 
Hm.

	Ingo