From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A937ECA5FFC for ; Tue, 6 Oct 2026 21:55:23 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 72F826B0088; Tue, 6 Oct 2026 17:55:22 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 6E0326B008C; Tue, 6 Oct 2026 17:55:22 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 5D0236B0092; Tue, 6 Oct 2026 17:55:22 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 3683B6B0088 for ; Tue, 6 Oct 2026 17:55:22 -0400 (EDT) Received: from smtpin21.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay04.hostedemail.com (Postfix) with ESMTP id B63861A030C for ; Tue, 6 Oct 2026 21:55:21 +0000 (UTC) X-FDA: 85293558042.21.3C9D5FC Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf07.hostedemail.com (Postfix) with ESMTP id 0B6D240007 for ; Tue, 6 Oct 2026 21:55:19 +0000 (UTC) Authentication-Results: imf07.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=JNM4U+Ff; spf=pass (imf07.hostedemail.com: domain of dakr@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=dakr@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1791323720; b=6siHgt74Py8w+zkLYHpMTldYFPjPBamPJsdETmkmQaheBn+Ci6/6rUUErCOt+T31jgzyqQ aoqll3c0odcfrFz1cTcgK7PkVsVw5YYE4Rm+3cUCY8W8uAInA1grE0VxV1jq2zhrhChsUt 536LKIslJeF1BHdHdkWBI1AYP2bpRqo= ARC-Authentication-Results: i=1; imf07.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=JNM4U+Ff; spf=pass (imf07.hostedemail.com: domain of dakr@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=dakr@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1791323720; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=p6cFzmPVwnvLGajBYkemFKtr5g0mwddLRoGytSZpBcQ=; b=g48363rd8zwYEUmzqP18JAriwuZoNK28xICQjKqxG1vlvBHEN9uef8QFDUehEd3zzvoP9V 4RvOZaUeMd6kv9kXwA8dP6Q1fHk2EmTSzQLZu0VTTViE2fvjxA4cZ4nKPW3qaNVBccqbtC Bf5M6W1JXw7XqdZ5FCi0AAPX6X2DO80= Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 7526643809; Tue, 6 Oct 2026 21:55:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9D69B1F0089B; Tue, 6 Oct 2026 21:55:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791323718; bh=p6cFzmPVwnvLGajBYkemFKtr5g0mwddLRoGytSZpBcQ=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=JNM4U+FfrDsXu5990fwPYm6E29Rkx4Z2Jnv2SwaQHObk/terRWHB1dyEp0e6TARv3 he5XCigWKBrVTsXRj+vBYmp+MOTpS18pIF/4QCPC8Oryq9OvaZvGZg/g3GgYXuIuhf J6Vr14biXn3SW9Igv5wQFFKarNudhjYVJ3TlNzsi3UV3+oYdOt5Zlvzx72+chr+lJA iTglIHE9dfWIxKGmIYtihtacHmp9QMlTBfYOKNbHXQbBIXJE0ZTypKLL6hNYRElVvp gWyctowbQSA+0XTQdJTU3vxFX9iVd4i/dcICnRKPyU6QCx2aYE+Kicch5b1UhOq3V6 LWZgF1xyJm80A== Message-ID: <007d40e9-221f-4dcc-ab74-e2f1ff706dec@kernel.org> Date: Tue, 6 Oct 2026 23:55:11 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/2] devres: Provide kmalloc_obj*-style API for devm_kmalloc To: Kees Cook Cc: Greg Kroah-Hartman , "Rafael J. Wysocki" , "Gustavo A. R. Silva" , driver-core@lists.linux.dev, linux-hardening@vger.kernel.org, Lorenzo Stoakes , Andrew Morton , Vlastimil Babka , Suren Baghdasaryan , Michal Hocko , Brendan Jackman , Johannes Weiner , Zi Yan , David Hildenbrand , "Liam R. Howlett" , Mike Rapoport , linux-kernel@vger.kernel.org, linux-mm@kvack.org References: <20260914223212.i.829-kees@kernel.org> <20260914223219.901347-2-kees@kernel.org> From: Danilo Krummrich Content-Language: en-US In-Reply-To: <20260914223219.901347-2-kees@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 0B6D240007 X-Rspam-User: X-Stat-Signature: co4yheebc4h5kjapnc1nwbhjxma8px4t X-HE-Tag: 1791323719-490049 X-HE-Meta: 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 NxbM5Tqh Zh/48sdg15ZhLh7D2ezzBPZtQ5w5+qVDO8EASAZU4iqDdEgCY0t8jYYEWRgUJt0VfbKtbRUPWWK9sid/6Rbri7LnaMgk5M4l33W2fAdPPD2IA7xZ9MeT/j5m4PoNNNcNdiik+SmBSt+FXKRBUXYYIYMYSwyiWs7Z1hZYH6K7cn+ldulzIe8YbgRttfPVMaCNxZj7a0V4fCkF7H2Rhl437rkyJmwhJu06AlrDiVgPjMrLIfwHqklCnSOtf+H7Nllx3XxhpS+sYrlvGxKo2+w1ecH29sxrbfpPG2s4AUYMPDhQAskOKz9Tnffj/sMkunoyZv4whEbVms4/+6QM= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 15.09.26 00:32, Kees Cook wrote: > Mirroring the type-based allocation now in use for the kmalloc family of > APIs, provide the same for the devm_kmalloc family of APIs. This will > allow for future plumbing of type information (e.g. alignment) into the > underlying allocations. This immediately gains type check on return > values (instead of the prior "void *" return type). > > Signed-off-by: Kees Cook Reviewed-by: Danilo Krummrich