CONFIG_DEFAULT_MEM_START: PAGE_OFFSET/PHYS_OFFSET

General informations

The Linux kernel configuration item CONFIG_DEFAULT_MEM_START has multiple definitions:

PAGE_OFFSET/PHYS_OFFSET found in arch/xtensa/Kconfig

The configuration item CONFIG_DEFAULT_MEM_START:

• prompt: PAGE_OFFSET/PHYS_OFFSET
• type: hex
• depends on: (! CONFIG_MMU && CONFIG_PLATFORM_WANT_DEFAULT_MEM ) && ( CONFIG_PLATFORM_WANT_DEFAULT_MEM )
• defined in arch/xtensa/Kconfig
• found in Linux kernels: 4.19–4.20, 5.0–5.19, 6.0–6.8, 6.9-rc+HEAD

Help text

This is the base address used for both PAGE_OFFSET and PHYS_OFFSET in noMMU configurations.

If unsure, leave the default value here.

Physical address of the default memory area start found in arch/xtensa/Kconfig

The configuration item CONFIG_DEFAULT_MEM_START:

• prompt: Physical address of the default memory area start
• type: hex
• depends on: ( CONFIG_PLATFORM_WANT_DEFAULT_MEM ) && ( CONFIG_MMU ) && (! CONFIG_MMU )
• defined in arch/xtensa/Kconfig
• found in Linux kernels: 3.19, 4.0–4.18

Help text

This is the base address of the default memory area. Default memory area has platform-specific meaning, it may be used for e.g. early cache initialization.

If unsure, leave the default value here.

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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