linux-kernel - Re: [PATCH v6 00/12] mm: establish const-correctness for pointer parameters

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Message-ID: <024e3400-6529-43a6-9c11-3b80af79b5b1@suse.cz>
Date: Mon, 1 Sep 2025 23:34:37 +0200
From: Vlastimil Babka <vbabka@...e.cz>
To: Max Kellermann <max.kellermann@...os.com>, akpm@...ux-foundation.org,
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Subject: Re: [PATCH v6 00/12] mm: establish const-correctness for pointer
 parameters

On 9/1/25 22:50, Max Kellermann wrote:
> For improved const-correctness in the low-level memory-management
> subsystem, which provides a basis for further const-ification further
> up the call stack (e.g. filesystems).
> 
> This patch series splitted into smaller patches was initially posted
> as a single large patch:
> 
>  https://lore.kernel.org/lkml/20250827192233.447920-1-max.kellermann@ionos.com/
> 
> I started this work when I tried to constify the Ceph filesystem code,
> but found that to be impossible because many "mm" functions accept
> non-const pointer, even though they modify nothing.

I think (and tried to verify with a lore search) it's the first time you
mention this motivation and it's very useful to state that, thanks!
> Signed-off-by: Max Kellermann <max.kellermann@...os.com>

Acked-by: Vlastimil Babka <vbabka@...e.cz>