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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=XD1ohQhO9zZA1+h5cJdCf8noqsv9utcIYdzdurGWIrY=; b=owGbwMvMwCmsHn9OcpHtvjLG02pJDJmnZxt2/QrhDmEWnJyuEZ53bFn8sXkc/fdfaT1zvGv9R LA4sj+hYyoLgzAng6yYIssTmbDTy9sXVznYr/wBM4eVCWQIAxenAExkoTZjw5nbW9wPGX2XvzCp NnIfb9ta1a19Tar+HziFhd6HPjo/df3qyE3LS7byVlas//HX8DaHKmN9uOtdhR0Ge1ts2rp1L+r Psrpy+l3A5P2zWGvPxGWffLW7YLeUjuTjde96utSmCZ7/spcJAA== X-Developer-Key: i=mripard@kernel.org; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: E6A9A4001A X-Stat-Signature: m6c5zkmbaw3564j787qo3xxju8knrudw X-Rspam-User: X-HE-Tag: 1774951242-476924 X-HE-Meta: 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 enR8tfK5 ZyNAgS/WboeSSq5aUxFXSKf9SrUxyqOArMxU2lC614oWj4pWZpCXVhsL2sSFs3wml4IVs3eXboqftxlJvj5YyWxCFBZh8u7mjJgG1o8vknooB8zHzy+GyLiKJ3O5ZZZwtlx841pDz+WHZT8vs5NAco2X7R7t4TrTPzlo8W0rH9thHlgYmKRK6hPXFfvbT0lqZl4/YRDRrWVEgdoJgGFOrvoCAbbXWXwreqza2H2onlQRDoncItlxw69dVvrHcseMc9BMsRTcAYk4/sjw= 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 33cac626da1198e3c4a1cdcd562223c1924b6ceb..0ed519a19da455df7441396c96934a107fd72ffb 100644 --- a/drivers/dma-buf/heaps/cma_heap.c +++ b/drivers/dma-buf/heaps/cma_heap.c @@ -421,5 +421,8 @@ 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