CONFIG_XEN_UNPOPULATED_ALLOC: Use unpopulated memory ranges for guest mappings

General informations

The Linux kernel configuration item CONFIG_XEN_UNPOPULATED_ALLOC:

• prompt: Use unpopulated memory ranges for guest mappings
• type: bool
• depends on: CONFIG_ZONE_DEVICE
• defined in drivers/xen/Kconfig
• found in Linux kernels: 5.9–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

Use unpopulated memory ranges in order to create mappings for guest memory regions, including grant maps and foreign pages. This avoids having to balloon out RAM regions in order to obtain physical memory space to create such mappings.

Hardware

LKDDb

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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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