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@xxxxxxxxx>
Reviewed-by: Nathan Chancellor <natechancellor@xxxxxxxxx>
