linux-kernel - Re: [PATCH v3 2/3] fs/proc/task_mmu: factor out proc_maps_private fields used by PROCMAP

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Message-Id: <20250806162025.82266-1-sj@kernel.org>
Date: Wed,  6 Aug 2025 09:20:25 -0700
From: SeongJae Park <sj@...nel.org>
To: Suren Baghdasaryan <surenb@...gle.com>
Cc: SeongJae Park <sj@...nel.org>,
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Subject: Re: [PATCH v3 2/3] fs/proc/task_mmu: factor out proc_maps_private fields used by PROCMAP_QUERY

On Wed,  6 Aug 2025 08:59:03 -0700 Suren Baghdasaryan <surenb@...gle.com> wrote:

> Refactor struct proc_maps_private so that the fields used by PROCMAP_QUERY
> ioctl are moved into a separate structure. In the next patch this allows
> ioctl to reuse some of the functions used for reading /proc/pid/maps
> without using file->private_data. This prevents concurrent modification
> of file->private_data members by ioctl and /proc/pid/maps readers.
> 
> The change is pure code refactoring and has no functional changes.
> 
> Signed-off-by: Suren Baghdasaryan <surenb@...gle.com>
> Reviewed-by: Vlastimil Babka <vbabka@...e.cz>

Acked-by: SeongJae Park <sj@...nel.org>


Thanks,
SJ

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