linux-kernel - Re: [PATCH v1 04/14] mm: memcg: move charge migration code to memcontrol-v1.c

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Message-ID: <uikaahfbzjx5oeyz6rtwlurq43nhtna2e4fd3asjfykl3ytw2q@lex4hu7wxlwu>
Date: Fri, 31 May 2024 23:44:01 -0700
From: Shakeel Butt <shakeel.butt@...ux.dev>
To: Roman Gushchin <roman.gushchin@...ux.dev>
Cc: Andrew Morton <akpm@...ux-foundation.org>, 
	Muchun Song <muchun.song@...ux.dev>, Johannes Weiner <hannes@...xchg.org>, 
	Michal Hocko <mhocko@...nel.org>, Matthew Wilcox <willy@...radead.org>, linux-mm@...ck.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 04/14] mm: memcg: move charge migration code to
 memcontrol-v1.c

On Tue, May 28, 2024 at 01:20:56PM GMT, Roman Gushchin wrote:
> Unlike the legacy cgroup v1 memory controller, cgroup v2 memory
> controller doesn't support moving charged pages between cgroups.
> 
> It's a fairly large and complicated code which created a number
> of problems in the past. Let's move this code into memcontrol-v1.c.
> It shaves off 1k lines from memcontrol.c. It's also another step
> towards making the legacy memory controller code optionally compiled.
> 
> Signed-off-by: Roman Gushchin <roman.gushchin@...ux.dev>

Acked-by: Shakeel Butt <shakeel.butt@...ux.dev>