CONFIG_VMCP_CMA_SIZE: Memory in MiB reserved for z/VM CP interface

General informations

The Linux kernel configuration item CONFIG_VMCP_CMA_SIZE:

• prompt: Memory in MiB reserved for z/VM CP interface
• type: int
• depends on: CONFIG_VMCP
• defined in drivers/s390/char/Kconfig
• found in Linux kernels: 4.14–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

Specify the default amount of memory in MiB reserved for the z/VM CP interface. If needed this memory is used for large contiguous memory allocations. The default can be changed with the kernel command line parameter "vmcp_cma".

Hardware

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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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