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h=Date:From:To:Cc:Subject:References:In-Reply-To; b=QyO2K7lf1ccEKQG1VMjR3+Rwahnau24XY+kx4XPVNNGQEeMmOOut7N90cZW4mLteO qjjCohp3Qs5gB9pctDHPTSXmSCdiISZagmNAN6RoKNrpZ6GXgX7UYPq+VI2/OG/wYI FGqML+O0QatMY9194eGPdqOzRz4KFNY2xC+OGDidmocLeYAiBqZDjpOSBonm9HnXRr TUaCkhO95FRm6FsEUwjE23wZ9CkrQjAuqu5ZYJDzmR4DfRitGiiBnJCeX1cBhJawQq dnN4e6j97peIUuVQ4Oq0YyCX9qrqPa2yINYLRIG98eFspiKDABiKdSg5CGW6ueBiQo Qsz6Eh5rehgsQ== Date: Sat, 14 Nov 2026 17:45:25 +0000 From: "Lorenzo Stoakes (ARM)" To: Sasha Levin Cc: SJ Park , Miguel Ojeda , 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, 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 Message-ID: References: <20261113153812.408825269@linuxfoundation.org> <20261114003912.82206-1-ojeda@kernel.org> <20261114031943.192867-1-sj@kernel.org> <20261114154112.3718615-1-sashal@kernel.org> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261114154112.3718615-1-sashal@kernel.org> X-Stat-Signature: xq15d61hn377ztpzpoztw3q359jjzu6r X-Rspamd-Queue-Id: 142571C0002 X-Rspam-User: X-Rspamd-Server: rspam11 X-Spam-Status: No, score=-5.8 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 autolearn=no autolearn_force=no version=4.0.1 X-HE-Tag: 1794678333-33706 X-HE-Meta: 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 8JsqsWQU 6jwDyE93i2dfwOVC2CoXRZFmVRmsKRQ9ncZ0W/k9B1EhdYATaQew/hVVkjbbSVG8nN4rKaXrBBR8riFmrNi4to6QAVM53IZEZp5Q6MRFsNWDOft3L7xp3Vle8iFChJlwLGEIMQgQXGqDlb/qJLbwAbcYckNU4cn/BtZBEiakAhIM5OLgyo49PEjzIYRYJvx7FSn4KXrQg2gQQXtJgS89UaEWFVRdZ9znMuIfF0TTNa75lSdQQdcE7L/ULhe6fLdOhz2DCOd/DJx7JHErVx2tOKdOaOgKJniAcuyYp9CFxY0x2q7kV7gwiIbfcaO/tSZaxuKep 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 Sat, Nov 14, 2026 at 10:41:11AM -0500, Sasha Levin wrote: > 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. I'll send a fixup. -- Cheers, Lorenzo