delft/common: use hardware.ksm abstraction

NixOS · Jan 28, 2024 · 003ee5c · 003ee5c
1 parent 8c0a1c6
commit 003ee5c
Showing 1 changed file with 1 addition and 11 deletions.
diff --git a/delft/common.nix b/delft/common.nix
@@ -71,17 +71,7 @@ with lib;
     ];
 
   # Enable Kernel Samepage Merging (reduces memory footprint of VMs).
-  systemd.services."enable-ksm" =
-    { description = "Enable Kernel Same-Page Merging";
-      wantedBy = [ "multi-user.target" ];
-      after = [ "systemd-udev-settle.service" ];
-      script =
-        ''
-          if [ -e /sys/kernel/mm/ksm ]; then
-            echo 1 > /sys/kernel/mm/ksm/run
-          fi
-        '';
-    };
+  hardware.ksm.enable = true;
 
   # Disable the systemd-journald watchdog. The default timeout (1min)
   # can easily be triggered on our slow, heavily-loaded disks. And