Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Date:   Fri, 8 Nov 2019 15:37:43 +0000 (UTC)
From:   Christopher Lameter <cl@linux.com>
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
In-Reply-To: <20191107131342.GT8314@dhcp22.suse.cz>
Message-ID: <alpine.DEB.2.21.1911081534470.32431@www.lameter.com>
References: <20191107115404.3030723-1-knut.omang@oracle.com> <20191107115806.GP8314@dhcp22.suse.cz> <27006f47b0b85fb99acee2a638207268aef8d010.camel@oracle.com> <20191107131342.GT8314@dhcp22.suse.cz>
User-Agent: Alpine 2.21 (DEB 202 2017-01-01)
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

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.