Re: + page-owner-tracking.patch added to -mm tree

[Pekka Enberg]

Ingo Molnar wrote:
> * Eduard - Gabriel Munteanu <eduard.munteanu@xxxxxxxxxxx> wrote:
>
> > One thing I'm not sure about this patch is whether it manages to 
> > record an allocation only once, i.e. does it log a single event 
> > when/if the slab allocator requests pages? Some time ago I sent a 
> > patch adding GFP_NOTRACE to gfp.h, but was rejected. Maybe this 
> > could be a way out of the mess.
> >
> > (GFP_NOTRACE would also allow us to log "backend" allocations 
> > easily and treat them separately, for the record, or simply filter 
> > them out.)
>
> makes a lot of sense IMO to annotate these via a GFP flag.

Yup, make sense. I think I rejected the patch (did I?) because I wanted 
to fix the slub/slab mess differently but here it makes perfect sense.

			Pekka
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