linux-kernel - Re: [PATCH v2 1/6] mm: kmem: cleanup (__)memcg_kmem_charge

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Message-ID: <CALvZod6ecqAKd_ZDgEbHJh6w_s3p5742QYVrBwZGPr4EUsR43w@mail.gmail.com>
Date:   Fri, 10 Jan 2020 16:23:21 -0800
From:   Shakeel Butt <shakeelb@...gle.com>
To:     Roman Gushchin <guro@...com>
Cc:     Linux MM <linux-mm@...ck.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Michal Hocko <mhocko@...nel.org>,
        Johannes Weiner <hannes@...xchg.org>,
        Vladimir Davydov <vdavydov.dev@...il.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Kernel Team <kernel-team@...com>
Subject: Re: [PATCH v2 1/6] mm: kmem: cleanup (__)memcg_kmem_charge_memcg() arguments

On Thu, Jan 9, 2020 at 12:27 PM Roman Gushchin <guro@...com> wrote:
>
> The first argument of memcg_kmem_charge_memcg() and
> __memcg_kmem_charge_memcg() is the page pointer and it's not used.
> Let's drop it.
>
> Memcg pointer is passed as the last argument. Move it to
> the first place for consistency with other memcg functions,
> e.g. __memcg_kmem_uncharge_memcg() or try_charge().
>
> Signed-off-by: Roman Gushchin <guro@...com>

Reviewed-by: Shakeel Butt <shakeelb@...gle.com>