nix: update patches and wip stuffs

[sourcephile-nix.git] / nixos / profiles / hardware / apu2e4.nix

diff --git a/nixos/profiles/hardware/apu2e4.nix b/nixos/profiles/hardware/apu2e4.nix
index 6ddf44b24fb3d54f15516647f1418f7100bb54d2..d5733b559e53aac9337a9ba40a32fe9e4cbefba4 100644 (file)
--- a/nixos/profiles/hardware/apu2e4.nix
+++ b/nixos/profiles/hardware/apu2e4.nix
@@ -8,12 +8,10 @@ nix = {
 };
 powerManagement.cpuFreqGovernor = lib.mkDefault "ondemand";
 
-boot.kernel = {
-  sysctl = {
-    # Recommended to improve performance when RAM is sufficient.
-    "vm.swappiness" = lib.mkDefault 10;
-  };
-};
+# https://insanity.industries/post/sata-power-consumption/
+services.udev.extraRules = ''
+  SUBSYSTEM=="scsi_host", KERNEL=="host*", ATTR{link_power_management_policy}="med_power_with_dipm"
+'';
 
 boot.loader = {
   grub = {
@@ -52,7 +50,7 @@ boot.initrd = {
     "uas"
     # Ethernet driver
     "igb"
-    # Made the AES modules available at initrd,
+    # Make the AES modules available at initrd,
     # to speedup the deciphering of the root.
     "aes_x86_64"
     "aesni_intel"
@@ -68,7 +66,7 @@ boot.kernelParams = [
   #"console=tty0"
   "console=ttyS0,115200n8"
   # Use arc_summary to print stats
-  "zfs.zfs_arc_max=${toString (500 * 1024 * 1024)}" # bytes
+  #"zfs.zfs_arc_max=${toString (500 * 1024 * 1024)}" # bytes
 ];
 
 environment.systemPackages = [