From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BC7DB378D87; Fri, 22 May 2026 15:43:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779464589; cv=none; b=AvsyDR9NMWQMiWA2pYmMusDTGKi3iUhPZBEsJY41ZqOlriUxgJdT0g4hAv4M+eh1fR1qYVrVL3guDA/fK4ZoLEkEynN++yy/V82W9GJWPf7IMmmqkfxAItacURxrRM4aYtieK7P6lZGP+w+XgEnGjtKzypY2rWH0xZ7Wvk5Q+30= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779464589; c=relaxed/simple; bh=AETpzy5p54GuqpRgsu98hGf8MVpdMecsNS0ozTBCqUA=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=msGhgJT3bPUarPsXToUX0EW9MAklalUkLOsteqC4LWOCUECc4RaZNxYt7alm2PUFKlXEi6TklIIAUoJbALLk0C7xD7p42pjcB3Q6XnasDgJcwLy0jiQ865BsBzb8KHMwVjS8zfRLg6jEqqwTt/GQSbAOuv8LWGGx++LHi92o6Q4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PjycqiGX; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="PjycqiGX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1A5651F000E9; Fri, 22 May 2026 15:43:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779464588; bh=jfZ2Ie3b5ezLZ6PyHs8eSozn31QBM+Ulbd6lqUIif98=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=PjycqiGXKeNMNoKbkBLPcxv2zDfqxkK/+CTvi3NoXEHhs0PBxoMcjIWnhrbWErOa/ ZTwUmFZqZEu7vUJucvytstExD/gi4Il6Eo2hs/HGwtTwWEgbNFqr54vhdA5gNprs3v p4Hif/3D1/hy7lUhdxsrmilSplf8HfCFgP1heHWk2xRQd8rUq5NoK+berfyKVjubPv nyrbIccTkfg/foKoQeEAbG3n+SGo0CgRQqf9NRr6en70x13DnFPkSIj/Mq7Xhj5/5I hIdd84bP4VCPh9TuUhA1L6rcHvwtoYXEvrDBPyM+0P1Bf99qz+axSZsxpawDVxSvlb X+ORsGzw0e8aQ== Date: Fri, 22 May 2026 08:43:07 -0700 From: Jakub Kicinski To: Rosen Penev Cc: netdev@vger.kernel.org, Jiri Pirko , Andrew Morton , Kees Cook , "Gustavo A. R. Silva" , linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org Subject: Re: [PATCH] lib: objagg: Use flexible arrays for object storage Message-ID: <20260522084307.62262c64@kernel.org> In-Reply-To: <20260519015833.634602-1-rosenp@gmail.com> References: <20260519015833.634602-1-rosenp@gmail.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Mon, 18 May 2026 18:58:33 -0700 Rosen Penev wrote: > Store object payloads and temporary graph nodes in their parent > allocations instead of open-coding trailing storage or allocating the > node array separately. > > Use byte-sized flexible arrays for object payloads so kzalloc_flex() is > passed the same byte count as the previous allocation sizes. Nobody acked this and I think it's pointless code churn so rejected. Please be mindful of reviewer time when you send patches.