CONFIG_DEVICE_PRIVATE: Unaddressable device memory (GPU memory, ...)

General informations

The Linux kernel configuration item CONFIG_DEVICE_PRIVATE:

• prompt: Unaddressable device memory (GPU memory, ...)
• type: bool
• depends on: CONFIG_ZONE_DEVICE
• defined in mm/Kconfig
• found in Linux kernels: 4.14–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

Allows creation of struct pages to represent unaddressable device memory; i.e., memory that is only accessible from the device (or group of devices). You likely also want to select HMM_MIRROR.

Hardware

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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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