CONFIG_DMABUF_HEAPS_CMA: DMA-BUF CMA Heap

General informations

The Linux kernel configuration item CONFIG_DMABUF_HEAPS_CMA has multiple definitions:

DMA-BUF CMA Heap found in drivers/dma-buf/heaps/Kconfig

The configuration item CONFIG_DMABUF_HEAPS_CMA:

• prompt: DMA-BUF CMA Heap
• type: tristate
• depends on: CONFIG_DMABUF_HEAPS && CONFIG_DMA_CMA
• defined in drivers/dma-buf/heaps/Kconfig
• found in Linux kernels: 7.2-rc+HEAD
• modules built: cma_heap

Help text

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.

DMA-BUF CMA Heap found in drivers/dma-buf/heaps/Kconfig

The configuration item CONFIG_DMABUF_HEAPS_CMA:

• prompt: DMA-BUF CMA Heap
• type: bool
• depends on: CONFIG_DMABUF_HEAPS && CONFIG_DMA_CMA
• defined in drivers/dma-buf/heaps/Kconfig
• found in Linux kernels: 5.6–5.19, 6.0–6.19, 7.0–7.1
• modules built: cma_heap

Help text

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.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module cma_heap CONFIG_DMABUF_HEAPS_CMA : drivers/dma-buf/heaps/Kconfig : "DMA-BUF CMA Heap" # in 7.2-rc+HEAD

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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