CONFIG_PAGE_EXTENSION: Extend memmap on extra space for more information on page

General informations

The Linux kernel configuration item CONFIG_PAGE_EXTENSION:

• prompt: Extend memmap on extra space for more information on page
• type: bool
• depends on: (none)
• defined in mm/Kconfig.debug
• found in Linux kernels: 3.19, 4.0–4.20, 5.0–5.19, 6.0–6.8, 6.9-rc+HEAD

Help text

Extend memmap on extra space for more information on page. This could be used for debugging features that need to insert extra field for every page. This extension enables us to save memory by not allocating this extra memory according to boottime configuration.

Hardware

LKDDb

Raw data from LKDDb:

• (none)

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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