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b=xJ/u4t0W6LZyLuQhgQBYJts0DqKsJKkQrPIegf3swDXWAgKsQUQA+pDgZBEl0rlMe NRi7NpMVQ/mXuW+yNL7vdueD5pKEJSG6QV4aghESMZSEbFiMmU9MxQ9DNBMzpGF8Ns p7NInuja5l3/ZPEfS0/FPbWAQymGGXImQ/VFhN+U= Date: Wed, 16 Jul 2025 15:55:45 -0700 From: Andrew Morton To: Suren Baghdasaryan Cc: 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 v7 0/7] use per-vma locks for /proc/pid/maps reads Message-Id: <20250716155545.ad2efdd41c85d6812bf328bb@linux-foundation.org> In-Reply-To: <20250716030557.1547501-1-surenb@google.com> References: <20250716030557.1547501-1-surenb@google.com> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: AAE91C0009 X-Stat-Signature: wwdb8ziycbog7tuupwdmpmdaug3zuxdj X-Rspam-User: X-HE-Tag: 1752706547-236906 X-HE-Meta: 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 N5oehPgH Vp93c94Z8wYNbafQaRlrLvaQSlU96xewWaUMYnL2KobZRTEzRKwd8gzJOayOFSxebXDdLbLoLpq53RMrsY5rF5B8QijfLhV27c+VOqnGGrdzXjTbMrmQ55wzT0ooGtadm9lRGUXBF2DXHW0koBM8rFNGiPRsS3bWqsD/MRjNtATsc0ql+y5239ypodLwPE2fLP0LNtftXTeLiVU65SeqRujBlWivHRTaLAJs7BofBL1B1cTLEMnvGZfKreaeGEuagm1JJc9LT23nmbaPMzOtnPQg3xA== 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, 15 Jul 2025 20:05:49 -0700 Suren Baghdasaryan wrote: > This patchset switches from holding mmap_lock while reading /proc/pid/maps > to taking per-vma locks as we walk the vma tree. Thanks, I added this v7 series to mm-new. Which I usually push out mid-evening California time.