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linux/kernel: enable automatic cpu hotplug support

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This commit is contained in:
Aaron Andersen 2019-07-22 13:22:16 -04:00
parent 0c9acb1926
commit 3d1905e3f5
1 changed files with 4 additions and 2 deletions
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6
pkgs/os-specific/linux/kernel/common-config.nix
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@ -699,11 +699,13 @@ let
PREEMPT_VOLUNTARY = yes; PREEMPT_VOLUNTARY = yes;
} // optionalAttrs (stdenv.hostPlatform.system == "x86_64-linux" || stdenv.hostPlatform.system == "aarch64-linux") { } // optionalAttrs (stdenv.hostPlatform.system == "x86_64-linux" || stdenv.hostPlatform.system == "aarch64-linux") {
# Enable memory hotplug support # Enable CPU/memory hotplug support
# Allows you to dynamically add & remove memory to a VM client running NixOS without requiring a reboot # Allows you to dynamically add & remove CPUs/memory to a VM client running NixOS without requiring a reboot
ACPI_HOTPLUG_CPU = yes;
ACPI_HOTPLUG_MEMORY = yes; ACPI_HOTPLUG_MEMORY = yes;
MEMORY_HOTPLUG = yes; MEMORY_HOTPLUG = yes;
MEMORY_HOTREMOVE = yes; MEMORY_HOTREMOVE = yes;
HOTPLUG_CPU = yes;
MIGRATION = yes; MIGRATION = yes;
SPARSEMEM = yes; SPARSEMEM = yes;