CONFIG_X86_PAE: PAE (Physical Address Extension) Support

General informations

The Linux kernel configuration item CONFIG_X86_PAE has multiple definitions:

PAE (Physical Address Extension) Support found in arch/x86/Kconfig

The configuration item CONFIG_X86_PAE:

• prompt: PAE (Physical Address Extension) Support
• type: bool
• depends on: CONFIG_X86_32 && CONFIG_X86_HAVE_PAE
• defined in arch/x86/Kconfig
• found in Linux kernels: 2.6.24–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.17, 6.18-rc+HEAD

Help text

PAE is required for NX support, and furthermore enables larger swapspace support for non-overcommit purposes. It has the cost of more pagetable lookup overhead, and also consumes more pagetable space per process.

PAE (Physical Address Extension) Support found in arch/i386/Kconfig

The configuration item CONFIG_X86_PAE:

• prompt: PAE (Physical Address Extension) Support
• type: bool
• depends on: ! CONFIG_HIGHMEM4G
• defined in arch/i386/Kconfig
• found in Linux kernels: 2.6.23

Help text

PAE is required for NX support, and furthermore enables larger swapspace support for non-overcommit purposes. It has the cost of more pagetable lookup overhead, and also consumes more pagetable space per process.

found in arch/i386/Kconfig

The configuration item CONFIG_X86_PAE:

• prompt:
• type: bool
• depends on: CONFIG_HIGHMEM64G
• defined in arch/i386/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.22

Help text

(none)

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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