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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F3E03E67A9B for ; Tue, 3 Mar 2026 10:13:31 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 43E6810E702; Tue, 3 Mar 2026 10:13:31 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="GhiXIqIF"; dkim-atps=neutral Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2F5EA10E706 for ; Tue, 3 Mar 2026 10:13:30 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 9710A60123; Tue, 3 Mar 2026 10:13:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E906FC116C6; Tue, 3 Mar 2026 10:13:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772532809; bh=0cHZ5LTDrjAloaUBF1Lu8YxebKzlQ2YWzvzsPNmbff4=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=GhiXIqIFH0pFdYOVF4v4vn3elAc684typ5RQw/1l4WLHgkKnANNAhTHgTa3ZCshI3 IrWaY8DZnVM0Oimi0CVwPTFymDhv2Yy4FSm4OiqnjTt6tanBc4J/pHsTGVGjtlhPkj gnM2J+eS8+Ekvz4itIaa27OozlW4J+QHuGWCq1oRv+S/c1vI/k3uMlyGh6CSQLFtNI LfHn5u2j7yXmci2q+10ex5iIsC4GlWch4cZ9SL/aK0jiLFQEv2ODRZgl/BP8XCsR8q Oo7ncNQwHpA2Yqi0w5i2xVC8aU/v0Z7+pp2C25p48QE1sOZsJyhEn8FGVBD+4J8jw0 QAY9Syplot4RQ== From: Maxime Ripard Date: Tue, 03 Mar 2026 11:13:07 +0100 Subject: [PATCH v3 4/8] dma: contiguous: Export dev_get_cma_area() MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260303-dma-buf-heaps-as-modules-v3-4-24344812c707@kernel.org> References: <20260303-dma-buf-heaps-as-modules-v3-0-24344812c707@kernel.org> In-Reply-To: <20260303-dma-buf-heaps-as-modules-v3-0-24344812c707@kernel.org> To: Sumit Semwal , Benjamin Gaignard , Brian Starkey , John Stultz , "T.J. Mercier" , =?utf-8?q?Christian_K=C3=B6nig?= , Marek Szyprowski , Robin Murphy , Andrew Morton , David Hildenbrand , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko Cc: Albert Esteve , 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, Maxime Ripard X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=953; i=mripard@kernel.org; h=from:subject:message-id; bh=0cHZ5LTDrjAloaUBF1Lu8YxebKzlQ2YWzvzsPNmbff4=; b=owGbwMvMwCmsHn9OcpHtvjLG02pJDJnLtpj+rwkN3X/RpsuSU2dZw8NGZodEu44ndV5bp/3o/ 35Koc+hYyoLgzAng6yYIssTmbDTy9sXVznYr/wBM4eVCWQIAxenAEzkpDxjw9e/Pz8anKhvkrF8 sNnTxsdyWoBDzfXAqfzWaRYfNtt5fPuXZFtreMhjzyq+ULZqxaZ7jA0TT9p3q2TbaX26JehvL3n nmvPl+QkR19KKX7fc8uiSFT6342m2tU9zoP2FdxcjxXo3SAEA X-Developer-Key: i=mripard@kernel.org; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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 + 1 file changed, 1 insertion(+) diff --git a/kernel/dma/contiguous.c b/kernel/dma/contiguous.c index a4279d800d4658bf1c33b9b1da100eee1367d42f..ad50512d71d3088a73e4b1ac02d6e6122374888e 100644 --- a/kernel/dma/contiguous.c +++ b/kernel/dma/contiguous.c @@ -106,10 +106,11 @@ struct cma *dev_get_cma_area(struct device *dev) if (dev && dev->cma_area) return dev->cma_area; return dma_contiguous_default_area; } +EXPORT_SYMBOL_GPL(dev_get_cma_area); #ifdef CONFIG_DMA_NUMA_CMA static struct cma *dma_contiguous_numa_area[MAX_NUMNODES]; static phys_addr_t numa_cma_size[MAX_NUMNODES] __initdata; -- 2.53.0