Re: [PATCH] mm: memcg: remove obsolete memcg_has_children()

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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>



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