linux-kernel - Re: [PATCH v7 10/19] mm: memcg/slab: deprecate memory.kmem.slabinfo

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Date:   Tue, 23 Jun 2020 18:43:38 -0700
From:   Shakeel Butt <shakeelb@...gle.com>
To:     Roman Gushchin <guro@...com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Christoph Lameter <cl@...ux.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Michal Hocko <mhocko@...nel.org>,
        Linux MM <linux-mm@...ck.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        Kernel Team <kernel-team@...com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v7 10/19] mm: memcg/slab: deprecate memory.kmem.slabinfo

On Tue, Jun 23, 2020 at 10:40 AM Roman Gushchin <guro@...com> wrote:
>
> Deprecate memory.kmem.slabinfo.
>
> An empty file will be presented if corresponding config options are
> enabled.
>
> The interface is implementation dependent, isn't present in cgroup v2, and
> is generally useful only for core mm debugging purposes.  In other words,
> it doesn't provide any value for the absolute majority of users.
>
> A drgn-based replacement can be found in tools/cgroup/slabinfo.py .

tools/cgroup/memcg_slabinfo.py*