Re: [PATCH] mm: remove lock_page_memcg() from rmap

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To: Johannes Weiner <hannes@xxxxxxxxxxx>
Subject: Re: [PATCH] mm: remove lock_page_memcg() from rmap
From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Tue, 29 Nov 2022 11:23:30 -0800
Cc: Hugh Dickins <hughd@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Shakeel Butt <shakeelb@xxxxxxxxxx>, Michal Hocko <mhocko@xxxxxxxx>, Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>, linux-mm@xxxxxxxxx, cgroups@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <Y4ZYsrXLBFDIxuoO@cmpxchg.org>
References: <20221123181838.1373440-1-hannes@cmpxchg.org> <16dd09c-bb6c-6058-2b3-7559b5aefe9@google.com> <Y4TpCJ+5uCvWE6co@cmpxchg.org> <Y4ZYsrXLBFDIxuoO@cmpxchg.org>

On Tue, Nov 29, 2022 at 11:08 AM Johannes Weiner <hannes@xxxxxxxxxxx> wrote:
>
> We can try limiting move candidates to present ptes. But maybe it's
> indeed time to deprecate the legacy charge moving altogether, and get
> rid of the entire complication.

Please. If that's what it takes..

           Linus

References:
- [PATCH] mm: remove lock_page_memcg() from rmap
  - From: Johannes Weiner
- Re: [PATCH] mm: remove lock_page_memcg() from rmap
  - From: Hugh Dickins
- Re: [PATCH] mm: remove lock_page_memcg() from rmap
  - From: Johannes Weiner
- Re: [PATCH] mm: remove lock_page_memcg() from rmap
  - From: Johannes Weiner

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