From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794678333; b=W8RD92sc2+16r94nt5Hw6O78B47c0gbuGeeg3Ad8RXTjZVm2p8+65hurhaQrxybJGJqW 3PEc3ENErJgHrwHA9qPXD8ajSkJeT+VAwDdd/3PdxQomP4XSyc8nfuMBl8MN/ET01RuG7 j8wxjEIiUDmxq64FSq9h8tBn0nl3wK38LqsK9Novk+4CnggVy/FMk8Xnxs9ll1zeBuDnd fWyzREyKzg4bSFXiGFEYrURtQUgs5GfWnSiR871p2363bzm2lY/tSSzb6iX4kVxu1l3u8 H+ujbiFk3NnO6kyXNjcyf3MOZl5giR+AM4T8O7138AumjSF0xgzf984qVvKC/970//w== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794678333; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: References:MIME-Version:Content-Type:Content-Disposition:In-Reply-To; bh=xB2Ll/hE6fCRL1qkpv+uhy1y1+Wgnd2n6ZmeDTOra9U=; b=NH0DO3y9zh+NWfn5wph8nFMwhk/2vFKdOCEUPSIKqXEWBMKXtKtl+1CeeYiijjDLOoF/ 6G9uTJY+OfzZ/djJYFYKxQ0DEvpeTdoJgwLhb5DKaWoRHxSo3XwU3sAMFYdNaCEE2KjoZ RHe0HfdmeYgfyvfm6ifQBf9bzLUHqJiikItw+kpFNQELAxmdCyAyTh7Kl7FV4aNWBWeJU mHY0c1GRyPgf912/FCA+sClpI55BtOiakV6pYT48ukwQPWGwD0URFXZCVuN+P0tw3oqXY eov8icnWVk7hTZZRaU/i5hUCsMv/TdWE192roZ2NEeo0yQh9g6v2OONPiC6kPQNKXFA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=QyO2K7lf; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A1362606A327; Sat, 14 Nov 2026 17:45:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=QyO2K7lf Received: by smtp.kernel.org (Postfix) with ESMTPSA id 50A281F000C4; Sat, 14 Nov 2026 17:45:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794678333; bh=xB2Ll/hE6fCRL1qkpv+uhy1y1+Wgnd2n6ZmeDTOra9U=; 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-Mailing-List: patches@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261114154112.3718615-1-sashal@kernel.org> 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