summaryrefslogtreecommitdiff
path: root/modules/nixos/common/kernel.nix
diff options
context:
space:
mode:
Diffstat (limited to 'modules/nixos/common/kernel.nix')
-rw-r--r--modules/nixos/common/kernel.nix40
1 files changed, 0 insertions, 40 deletions
diff --git a/modules/nixos/common/kernel.nix b/modules/nixos/common/kernel.nix
deleted file mode 100644
index 5c45b5d..0000000
--- a/modules/nixos/common/kernel.nix
+++ /dev/null
@@ -1,40 +0,0 @@
-{ lib, ... }:
-with lib;
-{
- boot = {
- # I don't use it even on laptops. It's also /required/ to disable it for
- # ZFS[1].
- # [1]: https://github.com/openzfs/zfs/issues/260
- # [1]: https://github.com/openzfs/zfs/issues/12842
- kernelParams = [ "hibernate=no" ];
-
- kernel.sysctl = {
- "fs.file-max" = pow 2 17;
- "fs.inotify.max_user_watches" = pow 2 19;
- "fs.suid_dumpable" = 0;
- "kernel.core_uses_pid" = 1;
- "kernel.exec-shield" = 1;
- "kernel.kptr_restrict" = 1;
- "kernel.maps_protect" = 1;
- "kernel.msgmax" = pow 2 16;
- "kernel.msgmnb" = pow 2 16;
- "kernel.pid_max" = pow 2 16;
- "kernel.randomize_va_space" = 2;
- "kernel.shmall" = pow 2 28;
- "kernel.shmmax" = pow 2 28;
- "kernel.sysrq" = 0;
- "vm.dirty_background_bytes" = pow 2 22;
- "vm.dirty_background_ratio" = 5;
- "vm.dirty_bytes" = pow 2 22;
- "vm.dirty_ratio" = 30;
- "vm.min_free_kbytes" = pow 2 16;
- "vm.mmap_min_addr" = pow 2 12;
- "vm.overcommit_memory" = mkDefault 0;
- "vm.overcommit_ratio" = mkDefault 50;
- "vm.vfs_cache_pressure" = 50;
- };
- };
-
- # https://docs.kernel.org/admin-guide/mm/ksm.html
- hardware.ksm.enable = true;
-}