linux-kernel - Re: [PATCH] mm/memcontrol.c: fix another unused function warning

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Message-ID: <20191002075326.GF15624@dhcp22.suse.cz>
Date:   Wed, 2 Oct 2019 09:53:26 +0200
From:   Michal Hocko <mhocko@...nel.org>
To:     Qian Cai <cai@....pw>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Johannes Weiner <hannes@...xchg.org>,
        Vladimir Davydov <vdavydov.dev@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Roman Gushchin <guro@...com>,
        Shakeel Butt <shakeelb@...gle.com>,
        Chris Down <chris@...isdown.name>, Tejun Heo <tj@...nel.org>,
        cgroups@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, clang-built-linux@...glegroups.com
Subject: Re: [PATCH] mm/memcontrol.c: fix another unused function warning

On Tue 01-10-19 10:40:05, Qian Cai wrote:
> On Tue, 2019-10-01 at 16:22 +0200, Arnd Bergmann wrote:
> > Removing the mem_cgroup_id_get() stub function introduced a new warning
> > of the same kind when CONFIG_MMU is disabled:
> 
> Shouldn't CONFIG_MEMCG depends on CONFIG_MMU instead?

I wanted to do that in the past but there was a clear disagreement from
Johannes.
-- 
Michal Hocko
SUSE Labs