[Devel] Re: [RFC][PATCH 0/3] Kernel memory accounting container (v2)

[Pavel Emelyanov]

Christoph Lameter wrote:
> On Fri, 14 Sep 2007, Pavel Emelyanov wrote:
> 
>>> Hmmmm... Okay I have seen multiple people who want to control slab 
>>> allocations and track memory for various reasons. Would it be possible to 
>>> come up with some hook that would allow a subscription to certain SLUB 
>>> events? That way multiple subsystems may track and maybe disallow certain
>>> allocations in various contexts.
>> Do you mean some more generic than just explicit call from slab_alloc, etc?
>> Ok, I will work on it.
> 
> Yes I guess an API in slub to register callbacks for these things. This 
> needs to include a way to control the granularity. Callbacks at the level 
> of slab allocations are likely not that performance critical. But some 
> uses may require control at the object level. There needs to be some way 
> to tell SLUB to disable the fast path for a particular allocated slab 
> because the API will police each individual allocation.
> 

OK. I see. I will do my best to prepare the first version this week.

Thanks,
Pavel