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refactored

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also 595 update
This commit is contained in:
alsaiduq-lab 2026-03-13 00:18:16 -06:00
parent 0acce99f5c
commit 6f530b1d5d
3 changed files with 55 additions and 51 deletions
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38
hosts/modules/boot.nix
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@ -8,7 +8,10 @@
efi.canTouchEfiVariables = true;
timeout = 5;
};
tmp.cleanOnBoot = true;
tmp = {
useTmpfs = true;
tmpfsSize = "50%";
};
kernelPackages = pkgs.linuxPackages_latest;
#50 series nvidia drivers are kinda a mess; use 6.12 if there's any issues
#kernelPackages = pkgs.linuxPackages_6_12;
@ -23,16 +26,41 @@
"boot.shell_on_fail"
"udev.log_priority=3"
"rd.systemd.show_status=auto"
"nvidia_drm.modeset=1"
"nvidia_drm.fbdev=1"
"nowatchdog"
];
# cpu specific optimizations
kernelModules = ["tcp_bbr"];
kernel.sysctl = {
"vm.swappiness" = 10;
"vm.swappiness" = 60;
"vm.vfs_cache_pressure" = 50;
"vm.compaction_proactiveness" = 0;
"vm.page_lock_unfairness" = 1;
"vm.max_map_count" = 2147483642; #SteamOS default
"kernel.split_lock_mitigate" = 0;
"net.core.rmem_max" = 16777216;
"net.core.wmem_max" = 16777216;
"net.ipv4.tcp_fastopen" = 3;
"net.ipv4.tcp_congestion_control" = "bbr";
};
kernelPatches = [
{
name = "Rust";
patch = null;
features = {
rust = true;
};
}
];
};
# redirect builds to disk so tmpfs doesn't blow up
systemd.services.nix-daemon.environment.TMPDIR = "/var/tmp";
zramSwap = {
enable = true;
algorithm = "zstd";
memoryPercent = 50;
priority = 100;
};
# been annoying as of late
systemd.oomd.enable = false;