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Tue, 24 Jun 2025 07:35:40 -0700 (PDT) MIME-Version: 1.0 References: <20250624-anon_name_cleanup-v2-0-600075462a11@suse.cz> <20250624-anon_name_cleanup-v2-4-600075462a11@suse.cz> <50eb8b8b-cea3-45f8-96d0-45ab88e10909@redhat.com> In-Reply-To: <50eb8b8b-cea3-45f8-96d0-45ab88e10909@redhat.com> From: Suren Baghdasaryan Date: Tue, 24 Jun 2025 07:35:27 -0700 X-Gm-Features: Ac12FXxBF1N0o_kUn37BSxDHGqpaUKTMuV-y5KNe5HB1rThBZBc_dSO4sDsZPxo Message-ID: Subject: Re: [PATCH v2 4/4] mm, madvise: use standard madvise locking in madvise_set_anon_name() To: David Hildenbrand Cc: Vlastimil Babka , Andrew Morton , "Liam R. Howlett" , Lorenzo Stoakes , Jann Horn , Mike Rapoport , Michal Hocko , Colin Cross , linux-mm@kvack.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Server: rspam11 X-Rspam-User: X-Rspamd-Queue-Id: CC0DC4000B X-Stat-Signature: 6qq5e4b1865th9hhr4uqbzi91c5wz8wo X-HE-Tag: 1750775741-972721 X-HE-Meta: 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 i3xm9spV krbVcDmOq91Gf2xP3qJYyDbjCSVM7nY+y+pc4Gzpq9OG4XWyxgzgUmtrvy3M0bGq/OrkxM2Js6f7I5LaWI+QcmoH5UMh5R4PpaYckQUOYM0d39ybiKTw1S2o10M8RhRIUgZY2FrrJyDG/r4ZZDc2iC1Dm9CH/glRyZ0cMOHBGS+Z4KXjQiOGDpm6xuqHAm+HZhb7Wr0his84a19ueZ2UMDr0rDaJbvFqmxjISbanK7Rti6LKd7lV3r9f002131UcnssWaJz+qYRcx597+8+6LKK72cJMGcZRJ5VGK X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, Jun 24, 2025 at 7:06=E2=80=AFAM David Hildenbrand wrote: > > On 24.06.25 15:03, Vlastimil Babka wrote: > > Use madvise_lock()/madvise_unlock() in madvise_set_anon_name() in the > > same way as in do_madvise(). This narrows the lock scope a bit and > > reuses existing functionality. get_lock_mode() already picks the correc= t > > MADVISE_MMAP_WRITE_LOCK mode for __MADV_SET_ANON_VMA_NAME so we can jus= t > > remove the explicit assignment. > > > > Signed-off-by: Vlastimil Babka > > --- > > Acked-by: David Hildenbrand Reviewed-by: Suren Baghdasaryan > > -- > Cheers, > > David / dhildenb >