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Message-ID: <20201116211224.GA45468@carbon.dhcp.thefacebook.com>
Date: Mon, 16 Nov 2020 13:12:24 -0800
From: Roman Gushchin <guro@...com>
To: Lukas Bulwahn <lukas.bulwahn@...il.com>
CC: Johannes Weiner <hannes@...xchg.org>,
Andrew Morton <akpm@...ux-foundation.org>,
<cgroups@...r.kernel.org>, <linux-mm@...ck.org>,
Michal Hocko <mhocko@...nel.org>,
Vladimir Davydov <vdavydov.dev@...il.com>,
Arnd Bergmann <arnd@...db.de>, Tom Rix <trix@...hat.com>,
Nathan Chancellor <natechancellor@...il.com>,
Nick Desaulniers <ndesaulniers@...gle.com>,
<clang-built-linux@...glegroups.com>,
<kernel-janitors@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mm: memcg: remove obsolete memcg_has_children()
On Mon, Nov 16, 2020 at 06:50:43AM +0100, Lukas Bulwahn wrote:
> Commit 2ef1bf118c40 ("mm: memcg: deprecate the non-hierarchical mode")
> removed the only use of memcg_has_children() in
> mem_cgroup_hierarchy_write() as part of the feature deprecation.
>
> Hence, since then, make CC=clang W=1 warns:
>
> mm/memcontrol.c:3421:20:
> warning: unused function 'memcg_has_children' [-Wunused-function]
>
> Simply remove this obsolete unused function.
>
> Signed-off-by: Lukas Bulwahn <lukas.bulwahn@...il.com>
> ---
> applies cleanly on next-20201113, not on current master
>
> Roman, please ack.
Acked-by: Roman Gushchin <guro@...com>
Thanks!
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