linux-kernel - Re: [PATCH 1/4] memcg: refactor mem_cgroup

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Message-ID: <CALvZod4Ex+0q+4pDnR8q6bpV8Q5NKbt=5c6SDVUDVnKxTqUNRQ@mail.gmail.com>
Date:   Thu, 10 Feb 2022 14:23:37 -0800
From:   Shakeel Butt <shakeelb@...gle.com>
To:     Roman Gushchin <guro@...com>
Cc:     Johannes Weiner <hannes@...xchg.org>,
        Michal Hocko <mhocko@...e.com>,
        Chris Down <chris@...isdown.name>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Cgroups <cgroups@...r.kernel.org>, Linux MM <linux-mm@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/4] memcg: refactor mem_cgroup_oom

On Thu, Feb 10, 2022 at 11:53 AM Roman Gushchin <guro@...com> wrote:
>
> On Thu, Feb 10, 2022 at 12:14:34AM -0800, Shakeel Butt wrote:
> > The function mem_cgroup_oom returns enum which has four possible values
> > but the caller does not care about such values and only care if the
> > return value is OOM_SUCCESS or not. So, remove the enum altogether and
> > make mem_cgroup_oom returns a simple bool.
> >
> > Signed-off-by: Shakeel Butt <shakeelb@...gle.com>
>
> Nice!
>
> Reviewed-by: Roman Gushchin <guro@...com>

Thanks.
>
[...]
>
> The only thing, I'd add a small comment on the return value here. E.g.
> "returns true if one or more tasks have been successfully killed" or something
> like this.
>

Will do in the next version.