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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=1869; i=mripard@kernel.org; h=from:subject:message-id; bh=lO+1PMKRSkJNghp2Ly48vsH4KqRxHWKQohidvl/pe2Y=; b=owGbwMvMwCmsHn9OcpHtvjLG02pJDJnLtphp/tk9K/m380aGhrutlZoh089yhxn5CWXlbGD3E ntoFVfbMZWFQZiTQVZMkeWJTNjp5e2LqxzsV/6AmcPKBDKEgYtTACZyYCpjw96X696qrNmY0KzK lFh940Fc/q33m61bV6u/3VdYf+pliXaje4peib7Al+5/W58s2c2VyVhn8nfape47nK3J9Qv+sqe qN1urnd+w8b5he5eljsLOoJMfZbUsXh+WY/u3tvRlQu/97fsB X-Developer-Key: i=mripard@kernel.org; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 05D2A1A0002 X-Stat-Signature: 81engkcu4kmwfqt34us6x68m8p6aqmwa X-Rspam-User: X-HE-Tag: 1772532818-611369 X-HE-Meta: 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 E2bidm5z atmmzVT2e0CwLbxVE/I4oaL+5Imof6/4vPIPraBj0T5wMmWW/9kIA2MXr/K0pETIT/mN7nVYcKA/81YcAWoYZC+3tYAeiqPMkLDBDHPVckAo+y7VAqR84oBB1BQiVN0VVPGwJyIX5650nH6uf3TyxQN5RXRVrP3mqlPRp6E/VmLrW8eCksul+tnvRgJdg38eORIt2HijEQpOLBVXthrLyIY3ESJm1YVGflLj6wDI8C84Rtu9m+AQQmRnBV2KNC7twtp1JZC56bnZYTvD1/Bu8VAJJlG5NJdHLbei3UqcRDOBzKjn852lXhH4mXPe/PiQTen08XqggUYCGSNmP6c4sFHChYOq4LWOqK6exruV1b8lx2iheVo+/jHGwAKjyJb6u30Uj Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Now that all the symbols used by the CMA heap are exported, turning the CMA heap into a module becomes pretty easy: we just need to add the usual MODULE_* macros, import the proper namespaces and change the Kconfig symbol to a tristate. This heap won't be able to unload though, since we're missing a lot of infrastructure to make it safe. Reviewed-by: T.J. Mercier Signed-off-by: Maxime Ripard --- drivers/dma-buf/heaps/Kconfig | 2 +- drivers/dma-buf/heaps/cma_heap.c | 3 +++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/dma-buf/heaps/Kconfig b/drivers/dma-buf/heaps/Kconfig index a5eef06c422644e8aadaf5aff2bd9a33c49c1ba3..aed0b9b4febf388376cfc41be9843980d010c4e8 100644 --- a/drivers/dma-buf/heaps/Kconfig +++ b/drivers/dma-buf/heaps/Kconfig @@ -4,11 +4,11 @@ config DMABUF_HEAPS_SYSTEM help Choose this option to enable the system dmabuf heap. The system heap is backed by pages from the buddy allocator. If in doubt, say Y. config DMABUF_HEAPS_CMA - bool "DMA-BUF CMA Heap" + tristate "DMA-BUF CMA Heap" depends on DMABUF_HEAPS && DMA_CMA help Choose this option to enable dma-buf CMA heap. This heap is backed by the Contiguous Memory Allocator (CMA). If your system has these regions, you should say Y here. diff --git a/drivers/dma-buf/heaps/cma_heap.c b/drivers/dma-buf/heaps/cma_heap.c index f8a3d87f3ccee9630383ba28502eb40b10671cc2..7216a14262b04bb6130ddf26b7d009f7d15b03fd 100644 --- a/drivers/dma-buf/heaps/cma_heap.c +++ b/drivers/dma-buf/heaps/cma_heap.c @@ -422,5 +422,8 @@ static int __init add_cma_heaps(void) return 0; } module_init(add_cma_heaps); MODULE_DESCRIPTION("DMA-BUF CMA Heap"); +MODULE_LICENSE("GPL"); +MODULE_IMPORT_NS("DMA_BUF"); +MODULE_IMPORT_NS("DMA_BUF_HEAP"); -- 2.53.0