CONFIG_RANDOMIZE_IDENTITY_BASE: Randomize the address of the identity mapping base

General informations

The Linux kernel configuration item CONFIG_RANDOMIZE_IDENTITY_BASE:

• prompt: Randomize the address of the identity mapping base
• type: bool
• depends on: CONFIG_RANDOMIZE_BASE
• defined in arch/s390/Kconfig
• found in Linux kernels: 6.11–6.12, 6.13-rc+HEAD

Help text

The identity mapping base address is pinned to zero by default. Allow randomization of that base to expose otherwise missed notion of physical and virtual addresses of data structures. That does not have any impact on the base address at which the kernel image is loaded.

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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