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Message-Id: <F929DFAE-4A4F-41CE-8FFC-A62520FFD7CC@linux.dev>
Date: Sat, 4 Oct 2025 15:52:46 +0800
From: Muchun Song <muchun.song@...ux.dev>
To: Qi Zheng <qi.zheng@...ux.dev>
Cc: hannes@...xchg.org,
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Qi Zheng <zhengqi.arch@...edance.com>
Subject: Re: [PATCH v4 4/4] mm: thp: reparent the split queue during memcg
offline
> On Oct 4, 2025, at 00:53, Qi Zheng <qi.zheng@...ux.dev> wrote:
>
> From: Qi Zheng <zhengqi.arch@...edance.com>
>
> 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@...edance.com>
Reviewed-by: Muchun Song <muchun.song@...ux.dev>
Thanks.
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