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b=MgvfdDjL5NtTgcxkBujbYg3Nqh1Jtk4GVjDfSBcHsyqH3kQmi567e4BKTVJHi7p04 5ZMx6TH0BjuKsZRhk9iqU7PTS6Kc3ktantVMFwlbCGlyRJwQjzhNkMYKIUAqMYTHOy gQWVsVljXh6hIWu8gFMtRwOLRyN1UvManNJuve9be37iPZ2pQ2CsgCgBKJ7YZh8gR7 Mlu21r21HTp+KErkDsIQM8Smjujf91tutsIu7icjMxnODvEkMCIUilu65d6q3mTEzw erG4L7ubDckkh0snhsIqa1/0srRvIPIadVclzLP3k6LKmtwVYDH0Tg8Ls2fcA0qQPv JBtzCaEL5ogJA== From: Sasha Levin To: SJ Park , Miguel Ojeda Cc: Sasha Levin , gregkh@linuxfoundation.org, 4ncienth@gmail.com, akpm@linux-foundation.org, azpijr@gmail.com, corbet@lwn.net, david@kernel.org, jannh@google.com, liam@infradead.org, ljs@kernel.org, mhocko@suse.com, patches@lists.linux.dev, pfalcato@suse.de, rdunlap@infradead.org, rppt@kernel.org, shakeel.butt@linux.dev, stable@vger.kernel.org, surenb@google.com, vbabka@kernel.org, linux-mm@kvack.org, Dave Hansen Subject: Re: [PATCH 7.3 463/507] mm/vma: avoid spurious write locks when mm->mm_lock_seq overflows Date: Sat, 14 Nov 2026 10:41:11 -0500 Message-ID: <20261114154112.3718615-1-sashal@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261114031943.192867-1-sj@kernel.org> References: <20261113153812.408825269@linuxfoundation.org> <20261114003912.82206-1-ojeda@kernel.org> <20261114031943.192867-1-sj@kernel.org> X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 5757E1C0004 X-Rspamd-Server: rspam12 X-Stat-Signature: zm91ndzhai58xhg9qc6sad7zn5u3fdmi X-Rspam-User: X-Spam-Status: No, score=-8.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_PASS,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-HE-Tag: 1794670877-674255 X-HE-Meta: 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 IvGAeuTe p8rIztKceRD3iVZ+98jmcxsciynztf2GRQ2bjyWTTOgI8aCpNFKRWOueMiFUrkSR2D1yz4kXDNNcAlL7CPakQAklVIACLZK0NFrl4BPqLY1rBD0bCdxfWde6jnCQkqHtwGRelsgbXzVDPDR0ZGeCrjqvWFZ3CYhHlvRy4hzSHndt3q5UdSnAoF0W6aVw7+G6w8iq9GB+T/cRD1bkzw3/sGSFajR72zjdrMKwQTI5/sfEXeQ9QP2Xge28ovDJuMXxzwIBzEv2vL8iFSoG/+3YcSej7rDB9srdfCs6PiF68NwhecfzfWIs0EL3gC82q+yqw4xR2ZTBK+MTgBF6Dr0EJF7R2vAfFSEvH5kT7SKZQHA7zAxBj9Awp9yI0IdKjz9X4S+FHAh328WUbxZ1BjMK++4vyBJxQ7o+0EEVD5gjZk4qAKw1b4huXB66VXg== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On Fri, Nov 13, 2026 at 07:19:42PM -0800, SJ Park wrote: > On Sat, 14 Nov 2026 01:39:12 +0100 Miguel Ojeda wrote: >> ./include/linux/mmap_lock.h:604:20: error: no member named 'mm_lock_seq' in 'struct mm_struct' > > I found same thing while running kunit. I also confirmed both applying commit > 47e725702b0b from Dave and reverting this patch fix the problem on my setup. Dropped from the 7.3 queue, together with the prerequisite it pulled in. Thanks to both of you for the report and the confirmation. -- Thanks, Sasha