CONFIG_SWIOTLB_DYNAMIC: Dynamic allocation of DMA bounce buffers

General informations

The Linux kernel configuration item CONFIG_SWIOTLB_DYNAMIC:

• prompt: Dynamic allocation of DMA bounce buffers
• type: bool
• depends on: CONFIG_SWIOTLB
• defined in kernel/dma/Kconfig
• found in Linux kernels: 6.6–6.8, 6.9-rc+HEAD

Help text

This enables dynamic resizing of the software IO TLB. The kernel starts with one memory pool at boot and it will allocate additional pools as needed. To reduce run-time kernel memory requirements, you may have to specify a smaller size of the initial pool using "swiotlb=" on the kernel command line.

If unsure, say N.

Hardware

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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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