Re: [PATCH v4 4/4] mm: thp: reparent the split queue during memcg offline

[Zi Yan]

On 3 Oct 2025, at 12:53, Qi Zheng wrote:

> From: Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx>
>
> Similar to list_lru, the split queue is relatively independent and does
> not need to be reparented along with objcg and LRU folios (holding
> objcg lock and lru lock). So let's apply the similar mechanism as list_lru
> to reparent the split queue separately when memcg is offine.
>
> This is also a preparation for reparenting LRU folios.
>
> Signed-off-by: Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx>
> ---
>  include/linux/huge_mm.h |  4 +++
>  mm/huge_memory.c        | 54 +++++++++++++++++++++++++++++++++++++++++
>  mm/memcontrol.c         |  1 +
>  3 files changed, 59 insertions(+)
>

Acked-by: Zi Yan <ziy@xxxxxxxxxx>

Best Regards,
Yan, Zi