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Date: Wed, 19 Sep 2012 11:41:30 +0400
From: Glauber Costa <glommer@parallels.com>
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To: Christoph Lameter <cl@linux.com>
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        Pekka Enberg <penberg@cs.helsinki.fi>, Michal Hocko <mhocko@suse.cz>,
        Johannes Weiner <hannes@cmpxchg.org>
Subject: Re: [PATCH v3 13/16] slab: slab-specific propagation changes.
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On 09/18/2012 09:00 PM, Christoph Lameter wrote:
> On Tue, 18 Sep 2012, Glauber Costa wrote:
> 
>> When a parent cache does tune_cpucache, we need to propagate that to the
>> children as well. For that, we unfortunately need to tap into the slab core.
> 
> One of the todo list items for the common stuff is to have actually a
> common kmem_cache structure. If we add a common callback then we could put
> that also into the core.
> 

At this point, I'd like to keep it this way if possible. I agree that it
would be a lot better living in a common location, and I commit to
helping you to move in that direction.

But I see no reason to have this commonization to happen first, as a
pre-requisite for this.