From: Vlastimil Babka <vbabka@suse.cz>
To: Suren Baghdasaryan <surenb@google.com>, akpm@linux-foundation.org
Cc: Liam.Howlett@oracle.com, lorenzo.stoakes@oracle.com,
david@redhat.com, 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 v2 2/3] fs/proc/task_mmu: factor out proc_maps_private fields used by PROCMAP_QUERY
Date: Tue, 5 Aug 2025 15:54:41 +0200 [thread overview]
Message-ID: <1eb5d0ef-efea-4ed5-85b1-bf4f685ddb90@suse.cz> (raw)
In-Reply-To: <20250804231552.1217132-3-surenb@google.com>
On 8/5/25 1:15 AM, Suren Baghdasaryan 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>
next prev parent reply other threads:[~2025-08-05 13:52 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-04 23:15 [PATCH v2 0/3] execute PROCMAP_QUERY ioctl under per-vma lock Suren Baghdasaryan
2025-08-04 23:15 ` [PATCH v2 1/3] selftests/proc: test PROCMAP_QUERY ioctl while vma is concurrently modified Suren Baghdasaryan
2025-08-04 23:15 ` [PATCH v2 2/3] fs/proc/task_mmu: factor out proc_maps_private fields used by PROCMAP_QUERY Suren Baghdasaryan
2025-08-05 13:54 ` Vlastimil Babka [this message]
2025-08-04 23:15 ` [PATCH v2 3/3] fs/proc/task_mmu: execute PROCMAP_QUERY ioctl under per-vma locks Suren Baghdasaryan
2025-08-05 14:20 ` Vlastimil Babka
2025-08-05 14:37 ` Suren Baghdasaryan
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