CONFIG_MAX_PHYSMEM_BITS: Maximum size of supported physical memory in bits (42-53)

General informations

The Linux kernel configuration item CONFIG_MAX_PHYSMEM_BITS:

• prompt: Maximum size of supported physical memory in bits (42-53)
• type: int
• depends on: (none)
• defined in arch/s390/Kconfig
• found in Linux kernels: 4.12–4.20, 5.0–5.19, 6.0–6.13, 6.14-rc+HEAD

Help text

This option specifies the maximum supported size of physical memory in bits. Supported is any size between 2^42 (4TB) and 2^53 (8PB). Increasing the number of bits also increases the kernel image size. By default 46 bits (64TB) are supported.

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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