From nobody Tue Apr 7 20:06:53 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 A16D121CA02; Fri, 27 Feb 2026 13:23:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772198608; cv=none; b=PkPXB+Ulq9ffSinn+mtvOuo7uhfTqEU0HThUJTd+LyI1PrZp0Ks1YrbKYfByIuyHdpCqYU+tli1y/DdB1Z0ZKNxK2yGhU+zL5PW2UECYgfKqagSUPQ5VG9Jw9UhJH1FiuTYb6OlWDQAXH1dzuQL8AWpyTeWN8aQDWKbFuSTZ5uw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772198608; c=relaxed/simple; bh=0cHZ5LTDrjAloaUBF1Lu8YxebKzlQ2YWzvzsPNmbff4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=PymBHwcn0Tt+GauwO0V5ZKpCXWJKLunIKU58t5yORsIeDT63/hKSxJQyfqIjVRk6eMbPNrmYh4z0lNlq4NdL1s9m8l5Fn9sC0NC5LA+si4mPQxHyrZGunEYz+nyD9Xo1uGmBUBd7K0DmgdopWFLbhsAI20qmaBzUJUZNj9BqkVQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YZvAq134; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="YZvAq134" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2EE84C19425; Fri, 27 Feb 2026 13:23:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772198608; bh=0cHZ5LTDrjAloaUBF1Lu8YxebKzlQ2YWzvzsPNmbff4=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=YZvAq134uJwnMaAY6woQZgYApymFWQ52HpICh4sboDu6HTYiXk6ONB6DcURha6QTu tHRqUj+pSkdB/EgKJzNmKeH8eGw9tfMgCy5zbce6qkm889RULkI9zj60dPhRTVyurq KDhAaqPCciJz/eIuMQH7v9gZ3hLgLubwkBh2G4cn3nvulHZnuF4HqEQ83lTwMztHPC hyec+jRMIfTP8rRMV7PbFlOTZAfJ+ccnk6I1BgjXxHP2rwqgaaiEjUmkid+yNtATm4 xkXzkcrEXLBjdSQqjEC7fJ46UcZ8kukWqINDNY0u5kBMPNe8HuGkvVr70nVP9CLHNN Sd7mFgwRMBE3w== From: Maxime Ripard Date: Fri, 27 Feb 2026 14:15:43 +0100 Subject: [PATCH v2 4/9] mm: cma: Export dev_get_cma_area() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260227-dma-buf-heaps-as-modules-v2-4-454aee7e06cc@kernel.org> References: <20260227-dma-buf-heaps-as-modules-v2-0-454aee7e06cc@kernel.org> In-Reply-To: <20260227-dma-buf-heaps-as-modules-v2-0-454aee7e06cc@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: 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=owGbwMvMwCmsHn9OcpHtvjLG02pJDJkLZ+2UeJR1/tVVr7c6zYLWiXOe59V95i2a7fr55Up5h eqahwL+HVNZGIQ5GWTFFFmeyISdXt6+uMrBfuUPmDmsTCBDGLg4BWAinAcZ60wfzHi/fs7P92uO 1x+9FGnI5C6VeoXZVOr/n4Mn+JZ07VxnY1Thsvyd76tHzBoXJkbu/MBYzdK+a8XcnZ5rpzGf0V0 zd+asNCvGnPz7c0Ol1x3wS10+36q/vvKro9iiZzeEUq8HqDw+AQA= X-Developer-Key: i=mripard@kernel.org; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D 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..ad50512d71d3088a73e4b1ac02d= 6e6122374888e 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; =20 return dma_contiguous_default_area; } +EXPORT_SYMBOL_GPL(dev_get_cma_area); =20 #ifdef CONFIG_DMA_NUMA_CMA =20 static struct cma *dma_contiguous_numa_area[MAX_NUMNODES]; static phys_addr_t numa_cma_size[MAX_NUMNODES] __initdata; --=20 2.53.0