CONFIG_VIRTIO_MEM: Virtio mem driver

General informations

The Linux kernel configuration item CONFIG_VIRTIO_MEM:

• prompt: Virtio mem driver
• type: tristate
• depends on: ( CONFIG_X86_64 || CONFIG_ARM64 ) && ( CONFIG_VIRTIO ) && ( CONFIG_MEMORY_HOTPLUG ) && ( CONFIG_MEMORY_HOTREMOVE ) && ( CONFIG_CONTIG_ALLOC ) && ( CONFIG_EXCLUSIVE_SYSTEM_RAM )
• defined in drivers/virtio/Kconfig
• found in Linux kernels: 5.8–5.19, 6.0–6.3, 6.4-rc+HEAD
• modules built: virtio_mem

Help text

This driver provides access to virtio-mem paravirtualized memory devices, allowing to hotplug and hotunplug memory.

This driver currently only supports x86-64 and arm64. Although it should compile on other architectures that implement memory hot(un)plug, architecture-specific and/or common code changes may be required for virtio-mem, kdump and kexec to work as expected.

If unsure, say M.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module virtio_mem CONFIG_VIRTIO_MEM : drivers/virtio/Kconfig : "Virtio mem driver" # in 5.8–5.19, 6.0–6.3, 6.4-rc+HEAD
• lkddb virtio 00000018 ........ : CONFIG_VIRTIO CONFIG_VIRTIO_MEM : drivers/virtio/virtio_mem.c # in 5.8–5.12
• lkddb virtio 00000018 ........ : CONFIG_VIRTIO CONFIG_VIRTIO_MEM CONFIG_VIRTIO_PCI_LIB : drivers/virtio/virtio_mem.c # in 5.13–5.15
• lkddb virtio 00000018 ........ : CONFIG_VIRTIO_MEM : drivers/virtio/virtio_mem.c # in 5.16–5.19, 6.0–6.3, 6.4-rc+HEAD

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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