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 0CA2D1039895 for ; Fri, 27 Feb 2026 20:42:25 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 6CCB16B00E8; Fri, 27 Feb 2026 15:42:24 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 6A1A76B00E9; Fri, 27 Feb 2026 15:42:24 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 596606B00EA; Fri, 27 Feb 2026 15:42:24 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 48D586B00E8 for ; Fri, 27 Feb 2026 15:42:24 -0500 (EST) Received: from smtpin03.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id EFD4FBC02E for ; Fri, 27 Feb 2026 20:42:23 +0000 (UTC) X-FDA: 84491409366.03.01BE2A4 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf10.hostedemail.com (Postfix) with ESMTP id 1D869C0004 for ; Fri, 27 Feb 2026 20:42:21 +0000 (UTC) Authentication-Results: imf10.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=EqFMTeCp; spf=pass (imf10.hostedemail.com: domain of david@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=david@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=1772224942; 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=DzMaCCTu2BeDSrqOuo7E7DuXYBR5vbaB1fzg3WOxQps=; b=fvr7BnGvI5RRT55l6I8A/qND6PGzCzGtMtS0aQ7t6SuHHBv9odmPiI/MggrWxastpLNljI vNUJ5LGct3Kr8H9rG/ZNrcdCY5LY9yxSFfQk1pWtx/2HRV+aA13KaRFUbYTm3vaqc3Yiss QhY8rMliAGiDTstl3dOinOPMKB+rrcQ= ARC-Authentication-Results: i=1; imf10.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=EqFMTeCp; spf=pass (imf10.hostedemail.com: domain of david@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=david@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1772224942; a=rsa-sha256; cv=none; b=1DX5oa9X+zxqRFC/qXMRhlReqOnGdMPTqJKF3T+N8Vv3cgoXeIQ0KzHw8At1WaLZUA48IM naWOr5L2R5dD8hajoH8pXIq7SYPY7JPNxVzDop3iqbOoLXO2lWWRgqxJUHgbjnHBeg65bq V+vmvdijUbRWigdFFqln0yPCVEXHme8= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 0444542B7F; Fri, 27 Feb 2026 20:42:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 85DDFC116C6; Fri, 27 Feb 2026 20:42:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772224940; bh=tF4I9uEanrrL49/IrO6k2ajtwrnArvy+ifACjY+WOKQ=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=EqFMTeCpdccKnHFagxHFbfSZQ7k83CljVOzyZNeUfdyD5/mWD7u8MvVh7fCUgkah6 H5XXuZNBOtuHNKlEiJIXFCilFFUA00P+ElZDSCxcO4Jp176slvu996zA0Y+0qpgWP4 HID/JnTAICa2VPlzJykgPb/KYcRWluRLNPQxRJqB6x5hfiqaQ3DrSRF7nBuIRXkX+u FkRUS2xrbs9z3+dTD1Armjnrkb5xWJX/bqRAl9/naIpHU1EOr7WOCI/BmmMoSMDMus q9/iMX+dbLeLlP7ucuiOXbvdtsm1SWAlgb66xTsm1Ty/tVUzd5QQr73g6DGTTIu6/8 QfpgILk9fYYUA== Message-ID: Date: Fri, 27 Feb 2026 21:42:13 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 4/9] mm: cma: Export dev_get_cma_area() To: Maxime Ripard , Sumit Semwal , Benjamin Gaignard , Brian Starkey , John Stultz , "T.J. Mercier" , =?UTF-8?Q?Christian_K=C3=B6nig?= , Marek Szyprowski , Robin Murphy , Andrew Morton , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko Cc: linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, linux-kernel@vger.kernel.org, iommu@lists.linux.dev, linux-mm@kvack.org References: <20260227-dma-buf-heaps-as-modules-v2-0-454aee7e06cc@kernel.org> <20260227-dma-buf-heaps-as-modules-v2-4-454aee7e06cc@kernel.org> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; keydata= xsFNBFXLn5EBEAC+zYvAFJxCBY9Tr1xZgcESmxVNI/0ffzE/ZQOiHJl6mGkmA1R7/uUpiCjJ dBrn+lhhOYjjNefFQou6478faXE6o2AhmebqT4KiQoUQFV4R7y1KMEKoSyy8hQaK1umALTdL QZLQMzNE74ap+GDK0wnacPQFpcG1AE9RMq3aeErY5tujekBS32jfC/7AnH7I0v1v1TbbK3Gp XNeiN4QroO+5qaSr0ID2sz5jtBLRb15RMre27E1ImpaIv2Jw8NJgW0k/D1RyKCwaTsgRdwuK Kx/Y91XuSBdz0uOyU/S8kM1+ag0wvsGlpBVxRR/xw/E8M7TEwuCZQArqqTCmkG6HGcXFT0V9 PXFNNgV5jXMQRwU0O/ztJIQqsE5LsUomE//bLwzj9IVsaQpKDqW6TAPjcdBDPLHvriq7kGjt WhVhdl0qEYB8lkBEU7V2Yb+SYhmhpDrti9Fq1EsmhiHSkxJcGREoMK/63r9WLZYI3+4W2rAc UucZa4OT27U5ZISjNg3Ev0rxU5UH2/pT4wJCfxwocmqaRr6UYmrtZmND89X0KigoFD/XSeVv jwBRNjPAubK9/k5NoRrYqztM9W6sJqrH8+UWZ1Idd/DdmogJh0gNC0+N42Za9yBRURfIdKSb B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzS5EYXZpZCBIaWxk ZW5icmFuZCAoQ3VycmVudCkgPGRhdmlkQGtlcm5lbC5vcmc+wsGQBBMBCAA6AhsDBQkmWAik AgsJBBUKCQgCFgICHgUCF4AWIQQb2cqtc1xMOkYN/MpN3hD3AP+DWgUCaYJt/AIZAQAKCRBN 3hD3AP+DWriiD/9BLGEKG+N8L2AXhikJg6YmXom9ytRwPqDgpHpVg2xdhopoWdMRXjzOrIKD g4LSnFaKneQD0hZhoArEeamG5tyo32xoRsPwkbpIzL0OKSZ8G6mVbFGpjmyDLQCAxteXCLXz ZI0VbsuJKelYnKcXWOIndOrNRvE5eoOfTt2XfBnAapxMYY2IsV+qaUXlO63GgfIOg8RBaj7x 3NxkI3rV0SHhI4GU9K6jCvGghxeS1QX6L/XI9mfAYaIwGy5B68kF26piAVYv/QZDEVIpo3t7 /fjSpxKT8plJH6rhhR0epy8dWRHk3qT5tk2P85twasdloWtkMZ7FsCJRKWscm1BLpsDn6EQ4 jeMHECiY9kGKKi8dQpv3FRyo2QApZ49NNDbwcR0ZndK0XFo15iH708H5Qja/8TuXCwnPWAcJ DQoNIDFyaxe26Rx3ZwUkRALa3iPcVjE0//TrQ4KnFf+lMBSrS33xDDBfevW9+Dk6IISmDH1R HFq2jpkN+FX/PE8eVhV68B2DsAPZ5rUwyCKUXPTJ/irrCCmAAb5Jpv11S7hUSpqtM/6oVESC 3z/7CzrVtRODzLtNgV4r5EI+wAv/3PgJLlMwgJM90Fb3CB2IgbxhjvmB1WNdvXACVydx55V7 LPPKodSTF29rlnQAf9HLgCphuuSrrPn5VQDaYZl4N/7zc2wcWM7BTQRVy5+RARAA59fefSDR 9nMGCb9LbMX+TFAoIQo/wgP5XPyzLYakO+94GrgfZjfhdaxPXMsl2+o8jhp/hlIzG56taNdt VZtPp3ih1AgbR8rHgXw1xwOpuAd5lE1qNd54ndHuADO9a9A0vPimIes78Hi1/yy+ZEEvRkHk /kDa6F3AtTc1m4rbbOk2fiKzzsE9YXweFjQvl9p+AMw6qd/iC4lUk9g0+FQXNdRs+o4o6Qvy iOQJfGQ4UcBuOy1IrkJrd8qq5jet1fcM2j4QvsW8CLDWZS1L7kZ5gT5EycMKxUWb8LuRjxzZ 3QY1aQH2kkzn6acigU3HLtgFyV1gBNV44ehjgvJpRY2cC8VhanTx0dZ9mj1YKIky5N+C0f21 zvntBqcxV0+3p8MrxRRcgEtDZNav+xAoT3G0W4SahAaUTWXpsZoOecwtxi74CyneQNPTDjNg azHmvpdBVEfj7k3p4dmJp5i0U66Onmf6mMFpArvBRSMOKU9DlAzMi4IvhiNWjKVaIE2Se9BY FdKVAJaZq85P2y20ZBd08ILnKcj7XKZkLU5FkoA0udEBvQ0f9QLNyyy3DZMCQWcwRuj1m73D sq8DEFBdZ5eEkj1dCyx+t/ga6x2rHyc8Sl86oK1tvAkwBNsfKou3v+jP/l14a7DGBvrmlYjO 59o3t6inu6H7pt7OL6u6BQj7DoMAEQEAAcLBfAQYAQgAJgIbDBYhBBvZyq1zXEw6Rg38yk3e EPcA/4NaBQJonNqrBQkmWAihAAoJEE3eEPcA/4NaKtMQALAJ8PzprBEXbXcEXwDKQu+P/vts IfUb1UNMfMV76BicGa5NCZnJNQASDP/+bFg6O3gx5NbhHHPeaWz/VxlOmYHokHodOvtL0WCC 8A5PEP8tOk6029Z+J+xUcMrJClNVFpzVvOpb1lCbhjwAV465Hy+NUSbbUiRxdzNQtLtgZzOV Zw7jxUCs4UUZLQTCuBpFgb15bBxYZ/BL9MbzxPxvfUQIPbnzQMcqtpUs21CMK2PdfCh5c4gS sDci6D5/ZIBw94UQWmGpM/O1ilGXde2ZzzGYl64glmccD8e87OnEgKnH3FbnJnT4iJchtSvx yJNi1+t0+qDti4m88+/9IuPqCKb6Stl+s2dnLtJNrjXBGJtsQG/sRpqsJz5x1/2nPJSRMsx9 5YfqbdrJSOFXDzZ8/r82HgQEtUvlSXNaXCa95ez0UkOG7+bDm2b3s0XahBQeLVCH0mw3RAQg r7xDAYKIrAwfHHmMTnBQDPJwVqxJjVNr7yBic4yfzVWGCGNE4DnOW0vcIeoyhy9vnIa3w1uZ 3iyY2Nsd7JxfKu1PRhCGwXzRw5TlfEsoRI7V9A8isUCoqE2Dzh3FvYHVeX4Us+bRL/oqareJ CIFqgYMyvHj7Q06kTKmauOe4Nf0l0qEkIuIzfoLJ3qr5UyXc2hLtWyT9Ir+lYlX9efqh7mOY qIws/H2t In-Reply-To: <20260227-dma-buf-heaps-as-modules-v2-4-454aee7e06cc@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 1D869C0004 X-Stat-Signature: m8njehxusjzb5o8wi1eh5g1q9i1m7mou X-Rspam-User: X-Rspamd-Server: rspam06 X-HE-Tag: 1772224941-956273 X-HE-Meta: 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 xuNrjE84 zhcm2h6A2FQses3my+zFR0vyWDlZK15Y4yWZPVno68jGDhfxzyrvH+NIYjxNz64XmXjCm181Ui6Hdj7lmoyA6TDrZSybM6uSFiyL+dhnCV97hDjnSFDoKVcHBodsKh3hwZj7614gfRE7HI5PGdTXTf5Qs7+onTWaUZo+a628IgDX4kidO/hXKp33KkRHU2QTZjVZ3plY6rx6MZ15d8Oh/SuYVQXbFB3QdkAt68Kqm/0VteyqVWql1mfxeBcF8E4CUxKj1D1U2kvTIxUIdmT9akBHsRItUtCC+0FrBRa+MUmcFRxKIkFL8eX8T9LhyaCxZDGD9Pg9us7WHqEk= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 2/27/26 14:15, Maxime Ripard wrote: > The CMA dma-buf heap uses the dev_get_cma_area() function to retrieve > the default contiguous area. > > Now that this function is no longer inlined, and since we want to turn > the CMA heap into a module, let's export it. > > Signed-off-by: Maxime Ripard > --- > kernel/dma/contiguous.c | 1 + The prefix of the patch should likely not be "mm: cma: " :) -- Cheers, David