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From: SeongJae Park <sj@kernel.org>
To: Suren Baghdasaryan <surenb@google.com>
Cc: SeongJae Park <sj@kernel.org>,
	akpm@linux-foundation.org, Liam.Howlett@oracle.com,
	lorenzo.stoakes@oracle.com, david@redhat.com, vbabka@suse.cz,
	peterx@redhat.com, jannh@google.com, hannes@cmpxchg.org,
	mhocko@kernel.org, paulmck@kernel.org, shuah@kernel.org,
	adobriyan@gmail.com, brauner@kernel.org, josef@toxicpanda.com,
	yebin10@huawei.com, linux@weissschuh.net, willy@infradead.org,
	osalvador@suse.de, andrii@kernel.org, ryan.roberts@arm.com,
	christophe.leroy@csgroup.eu, tjmercier@google.com,
	kaleshsingh@google.com, aha310510@gmail.com,
	linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-mm@kvack.org, linux-kselftest@vger.kernel.org
Subject: Re: [PATCH v3 2/3] fs/proc/task_mmu: factor out proc_maps_private fields used by PROCMAP_QUERY
Date: Wed,  6 Aug 2025 09:20:25 -0700	[thread overview]
Message-ID: <20250806162025.82266-1-sj@kernel.org> (raw)
In-Reply-To: <20250806155905.824388-3-surenb@google.com>

On Wed,  6 Aug 2025 08:59:03 -0700 Suren Baghdasaryan <surenb@google.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@google.com>
> Reviewed-by: Vlastimil Babka <vbabka@suse.cz>

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


Thanks,
SJ

[...]

  reply	other threads:[~2025-08-06 16:20 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-06 15:59 [PATCH v3 0/3] execute PROCMAP_QUERY ioctl under per-vma lock Suren Baghdasaryan
2025-08-06 15:59 ` [PATCH v3 1/3] selftests/proc: test PROCMAP_QUERY ioctl while vma is concurrently modified Suren Baghdasaryan
2025-08-06 15:59 ` [PATCH v3 2/3] fs/proc/task_mmu: factor out proc_maps_private fields used by PROCMAP_QUERY Suren Baghdasaryan
2025-08-06 16:20   ` SeongJae Park [this message]
2025-08-06 18:04   ` Lorenzo Stoakes
2025-08-06 18:43     ` Suren Baghdasaryan
2025-08-06 15:59 ` [PATCH v3 3/3] fs/proc/task_mmu: execute PROCMAP_QUERY ioctl under per-vma locks Suren Baghdasaryan
2025-08-06 16:35   ` SeongJae Park
2025-08-06 19:02   ` Lorenzo Stoakes
2025-08-06 21:46     ` Suren Baghdasaryan
2025-08-07  5:29       ` Lorenzo Stoakes

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