CONFIG_FIRMWARE_MEMMAP: Add firmware-provided memory map to sysfs

General informations

The Linux kernel configuration item CONFIG_FIRMWARE_MEMMAP:

• prompt: Add firmware-provided memory map to sysfs
• type: bool
• depends on: CONFIG_EXPERT
• defined in drivers/firmware/Kconfig
• found in Linux kernels: 2.6.27–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12

Help text

Add the firmware-provided (unmodified) memory map to /sys/firmware/memmap. That memory map is used for example by kexec to set up parameter area for the next kernel, but can also be used for debugging purposes.

See also Documentation/ABI/testing/sysfs-firmware-memmap.

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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