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=1793718082; b=mb4Tw0VP+PuKF+33VMZrQBJRIEDyJJUuallp/okUjn9tZgQWPKzJZKQrehbxQ7OWAju+ EmWii569e0mrWmYWcXlgpeXxKQe0t20UmPFyKyGHekrqzgXYLcC6Y37KE3goYeItog+b+ Dwg0rwoT6AM5ssN/D6RnSMNnYVYUmPU6dLzIM4GPwVIVzGODvDT5efY4ZmCP5iW2WaZQ2 3pbltVM6EjLwt0RrQwgY3bsras5eXMRpopMYohKwoO7r5jA4Uv4RZkhiE6+LURA7eB5tB kXYhmnC4ZLo1ivjOnz1Q/8SxTI2vImey4Vvl5dujzCZKhxh7fjcSloWa9BX9Zn0jj/A== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793718082; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=Syy1LgUFNYfSx87H66aCq59eQL5QmobeRV7Tv8sgLNY=; b=2vwwutHaydYIduPZJNixnW0aqQ66/GdQFXwe1/D51d+qwT4x+ziWs/nuDbdCOvE1fw2a dvNxUYJYGV5t8VYk4hVhzCujWHqRLl2tIsSlO0cy0bE5RHDN4bM+7fMxvKfp5fb5y31RU DzhEaHVP+CyKsLnNjBhn4eOscxCiS24E98//O+YC+uq6T2vh4MLxu6mrgFUPCZjx7osgr FP6VHKjvIvYpTDo2VI3LqnEqIiPG5c7P5kN7P2J+uHF0aysxUZ/b+l3nPwl0Sg5PO/Ei5 kL4/8v8QEOWHC56F3s+FX3WCL06bfe9bSxavKfHtWpw78wkIbJRiQoo8q+Y4T+yw1yw== 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=XQ1rFM7f; 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 46FC2606A33E; Tue, 3 Nov 2026 15:01:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=XQ1rFM7f Received: by smtp.kernel.org (Postfix) with ESMTPSA id 443D51F00919; Tue, 3 Nov 2026 15:01:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793718081; bh=Syy1LgUFNYfSx87H66aCq59eQL5QmobeRV7Tv8sgLNY=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=XQ1rFM7fpR8B7CuMfEAfO0MPeFB7bviklzJDC9drMf0sVFPBUxtSxRBwsAET6uLuq 86A/lVnXs2ElYSj4vKDjmBCYKvJP458x5hONgHu5bQd7fbGpMj/t34dciWXfi7wqDJ fFU+zJ2crZV7Xpsjn+tHMvlBjozine7jdlnmk5SGbQsExLyqTK/2RbNWtbH4IIfczT j+/yszVdEI2WEGpOCFfohvzHDpftk4H2/o8Xj1NATPp/4Sz/Frs7Oa+VUWRBUk8Fne yAUJyeEi14LhQD6cE/FmxhetOv8CXAF3q6i2fz2LXak81erXq8XJdvZZpFYfJ57Z0O KP55d1fdx2dfA== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH RFC 09/16] seq_file: add seq_preallocate() Reply-To: sashiko-reviews@lists.linux.dev To: "Christian Brauner" Cc: "Linus Torvalds" , "Jann Horn" , "Josef Bacik" , "Chris Mason" , "Jeff Layton" , NeilBrown , "Eric Dumazet" , "Thomas Gleixner" , "Al Viro" , "Jonathan Corbet" , "Christoph Hellwig" , "Greg Kroah-Hartman" , "Joel Granados" , "Kees Cook" , "Jan Kara" , "Jan Kara" , linux-s390@vger.kernel.org, coreteam@netfilter.org, kexec@lists.infradead.org, linux-pci@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-usb@vger.kernel.org, samba-technical@lists.samba.org, linux-m68k@lists.linux-m68k.org, linux-serial@vger.kernel.org, "Takashi Iwai" , linux-ext4@vger.kernel.org, "Chuck Lever" , tytso@mit.edu, "Heiko Carstens" , "Vasily Gorbik" , "Alexander Gordeev" , "Christian Borntraeger" In-Reply-To: <20261102-work-procfs-core-v1-9-75df35e4f8b8@kernel.org> References: <20261102-work-procfs-core-v1-0-75df35e4f8b8@kernel.org> <20261102-work-procfs-core-v1-9-75df35e4f8b8@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Tue, 03 Nov 2026 15:01:19 +0000 X-Mailing-List: linux-serial@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list > single_open_size() allocates the buffer itself because it does the > single_open() too. A file whose seq_file is opened by somebody else, > like procfs does now, needs to do that after the fact. Add > seq_preallocate() for that and use it in single_open_size(). >=20 > No functional changes. >=20 > Signed-off-by: Christian Brauner (Amutable) Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261102-work-procf= s-core-v1-0-75df35e4f8b8@kernel.org?part=3D9