linux-kernel - Re: [PATCH] mm: provide interface for retrieving kmem

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Message-ID: <alpine.DEB.2.21.1911081534470.32431@www.lameter.com>
Date:   Fri, 8 Nov 2019 15:37:43 +0000 (UTC)
From:   Christopher Lameter <cl@...ux.com>
To:     Michal Hocko <mhocko@...nel.org>
cc:     Knut Omang <knut.omang@...cle.com>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, Pekka Enberg <penberg@...nel.org>,
        David Rientjes <rientjes@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] mm: provide interface for retrieving kmem_cache name

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.