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Date:   Fri, 8 Nov 2019 15:37:43 +0000 (UTC)
From:   Christopher Lameter <cl@linux.com>
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To:     Michal Hocko <mhocko@kernel.org>
cc:     Knut Omang <knut.omang@oracle.com>, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org, Pekka Enberg <penberg@kernel.org>,
        David Rientjes <rientjes@google.com>,
        Joonsoo Kim <iamjoonsoo.kim@lge.com>,
        Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] mm: provide interface for retrieving kmem_cache name
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References: <20191107115404.3030723-1-knut.omang@oracle.com> <20191107115806.GP8314@dhcp22.suse.cz> <27006f47b0b85fb99acee2a638207268aef8d010.camel@oracle.com> <20191107131342.GT8314@dhcp22.suse.cz>
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On Thu, 7 Nov 2019, Michal Hocko wrote:

> On Thu 07-11-19 13:26:09, Knut Omang wrote:
> > On Thu, 2019-11-07 at 12:58 +0100, Michal Hocko wrote:
> > > On Thu 07-11-19 12:54:04, Knut Omang wrote:
> > > > With the restructuring done in commit 9adeaa226988
> > > > ("mm, slab: move memcg_cache_params structure to mm/slab.h")
> > > >
> > > > it is no longer possible for code external to mm to access

That patch only affected the memcg_cache_params structure and not
kmem_cache.

And I do not see any references to the memcg_cache_param?

The fields that all allocators need to expose are listed in
the struct kmme_cache definition in linux/mm/slab.h.