Re: [PATCH 2/3] mm: rmap: remove lock_page_memcg()

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To: Johannes Weiner <hannes@xxxxxxxxxxx>
Subject: Re: [PATCH 2/3] mm: rmap: remove lock_page_memcg()
From: Shakeel Butt <shakeelb@xxxxxxxxxx>
Date: Wed, 7 Dec 2022 16:36:39 -0800
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, Hugh Dickins <hughd@xxxxxxxxxx>, Michal Hocko <mhocko@xxxxxxxx>, linux-mm@xxxxxxxxx, cgroups@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <20221206171340.139790-3-hannes@cmpxchg.org>
References: <20221206171340.139790-1-hannes@cmpxchg.org> <20221206171340.139790-3-hannes@cmpxchg.org>

On Tue, Dec 6, 2022 at 9:14 AM Johannes Weiner <hannes@xxxxxxxxxxx> wrote:
>
> The previous patch made sure charge moving only touches pages for
> which page_mapped() is stable. lock_page_memcg() is no longer needed.
>
> Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx>

Acked-by: Shakeel Butt <shakeelb@xxxxxxxxxx>

References:
- [PATCH v2 0/3] mm: push down lock_page_memcg()
  - From: Johannes Weiner
- [PATCH 2/3] mm: rmap: remove lock_page_memcg()
  - From: Johannes Weiner

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