CONFIG_DMABUF_HEAPS: DMA-BUF Userland Memory Heaps

General informations

The Linux kernel configuration item CONFIG_DMABUF_HEAPS:

• prompt: DMA-BUF Userland Memory Heaps
• type: bool
• depends on: (none)
• defined in drivers/dma-buf/Kconfig
• found in Linux kernels: 5.6–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

Choose this option to enable the DMA-BUF userland memory heaps. This options creates per heap chardevs in /dev/dma_heap/ which allows userspace to allocate dma-bufs that can be shared between drivers.

Hardware

LKDDb

Raw data from LKDDb:

• (none)

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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