If _NR_CPUS_value isn't set or empty, prompt about using the current host's threads count.
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@@ -254,7 +254,7 @@ _kernel_localversion=""
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# Set to "true" to add back missing symbol for AES-NI/AVX support on ZFS - This is a legacy option that can be ignored on 5.10+ kernels - https://github.com/NixOS/nixpkgs/blob/master/pkgs/os-specific/linux/kernel/export_kernel_fpu_functions.patch
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_zfsfix="true"
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# Set to your maximum number of CPUs (physical + logical cores) - Lower means less overhead - You can set it to "$(nproc)" to use the current host's CPU(s) core count
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# Set to your maximum number of CPUs (physical + logical cores) - Lower means less overhead - You can set it to "$(nproc)" to use the current host's CPU(s) core count, or leave empty to get a prompt
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# If you set this to a lower value than you have cores, some cores will be disabled
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# Default Arch kernel value is 320
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_NR_CPUS_value="128"
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@@ -1394,6 +1394,20 @@ CONFIG_DEBUG_INFO_BTF_MODULES=y\r
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fi
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fi
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# NR_CPUS
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if [ -z "$_NR_CPUS_value" ]; then
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plain ""
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plain "Set NR_CPUS value to the current host's threads count?"
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plain "For best results, it should be equal to the maximum number of threads the target machine has."
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plain "If you want to use the resulting kernel on a machine with more threads, you can hit enter or answer N to use a default of 128."
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read -rp "`echo $' > N/y : '`" CONDITION_nrcpus;
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fi
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if [[ "$CONDITION_nrcpus" =~ [yY] ]] || [ -n "$_NR_CPUS_value" ]; then
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scripts/config --set-val "$_NR_CPUS_value"
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else
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scripts/config --set-val "128"
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fi
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fi
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# Community patches
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