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CONFIG_BOUNCE: Enable bounce buffers

General informations

The Linux kernel configuration item CONFIG_BOUNCE has multiple definitions:

found in mm/Kconfig

The configuration item CONFIG_BOUNCE:

Help text

(none)

Enable bounce buffers found in mm/Kconfig

The configuration item CONFIG_BOUNCE:

Help text

Enable bounce buffers for devices that cannot access the full range of memory available to the CPU. Enabled by default when ZONE_DMA or HIGHMEM is selected, but you may say n to override this.

Hardware

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