diff options
| author | Azat Bahawi <azat@bahawi.net> | 2024-06-27 18:10:21 +0300 |
|---|---|---|
| committer | Azat Bahawi <azat@bahawi.net> | 2024-06-27 18:10:21 +0300 |
| commit | b212b16a14ea12384c4b19ad453076502855a738 (patch) | |
| tree | defd42780c334342e82d59ac927ae070e9af5fd7 /modules/common/kernel.nix | |
| parent | 2024-06-24 (diff) | |
2024-06-27
Diffstat (limited to '')
| -rw-r--r-- | modules/common/kernel.nix | 56 |
1 files changed, 24 insertions, 32 deletions
diff --git a/modules/common/kernel.nix b/modules/common/kernel.nix index 5c45b5d..ddc4f62 100644 --- a/modules/common/kernel.nix +++ b/modules/common/kernel.nix @@ -1,38 +1,30 @@ { 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; - }; + boot.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 |