Re: [PATCH v3 2/2] mm: memcg: reset oom_group in css_reset

[Muchun Song]

> On Jul 3, 2026, at 14:38, Jiayuan Chen <jiayuan.chen@xxxxxxxxx> wrote:
> 
> From: Jiayuan Chen <jiayuan.chen@xxxxxxxxxx>
> 
> memory.oom.group defaults to disabled, but css_reset did not clear
> memcg->oom_group when a disabled memory css is kept alive by another
> controller dependency.
> 
> Reset it with the other memory controller policies so a hidden memcg
> cannot keep applying stale group OOM kill policy.
> 
> Cc: Jiayuan Chen <jiayuan.chen@xxxxxxxxx>
> Signed-off-by: Jiayuan Chen <jiayuan.chen@xxxxxxxxxx>

Reviewed-by: Muchun Song <muchun.song@xxxxxxxxx>

Thanks.