projects / systemd.git / blame
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1 | # SPDX-License-Identifier: LGPL-2.1-or-later |
| 2 | # | |
| 3 | # This file is part of systemd. | |
| 4 | # | |
| 5 | # systemd is free software; you can redistribute it and/or modify it | |
| 6 | # under the terms of the GNU Lesser General Public License as published by | |
| 7 | # the Free Software Foundation; either version 2.1 of the License, or | |
| 8 | # (at your option) any later version. | |
| 9 | ||
| 10 | [Unit] | |
| 11 | Description=Userspace Out-Of-Memory (OOM) Killer | |
| 12 | Documentation=man:systemd-oomd.service(8) | |
| 13 | DefaultDependencies=no | |
| 14 | Before=multi-user.target shutdown.target | |
| 15 | Conflicts=shutdown.target | |
| 3a6ce677 | 16 | ConditionControlGroupController=v2 |
| ce5f39bd | 17 | ConditionControlGroupController=memory |
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18 | ConditionPathExists=/proc/pressure/cpu |
| 19 | ConditionPathExists=/proc/pressure/io | |
| 20 | ConditionPathExists=/proc/pressure/memory | |
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21 | Requires=systemd-oomd.socket |
| 22 | After=systemd-oomd.socket | |
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23 | |
| 24 | [Service] | |
| 25 | AmbientCapabilities=CAP_KILL CAP_DAC_OVERRIDE | |
| 26 | BusName=org.freedesktop.oom1 | |
| 27 | CapabilityBoundingSet=CAP_KILL CAP_DAC_OVERRIDE | |
| 8b3d4ff0 | 28 | ExecStart={{ROOTLIBEXECDIR}}/systemd-oomd |
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29 | IPAddressDeny=any |
| 30 | LockPersonality=yes | |
| 31 | MemoryDenyWriteExecute=yes | |
| 32 | # Reserve some minimum amount of memory so that systemd-oomd can continue to | |
| 33 | # run in resource starved scenarios. | |
| 34 | MemoryMin=64M | |
| 35 | MemoryLow=64M | |
| 36 | NoNewPrivileges=yes | |
| 37 | OOMScoreAdjust=-900 | |
| 38 | PrivateDevices=yes | |
| 39 | PrivateTmp=yes | |
| 40 | ProtectClock=yes | |
| 41 | ProtectHome=yes | |
| 42 | ProtectHostname=yes | |
| 43 | ProtectKernelLogs=yes | |
| 44 | ProtectKernelModules=yes | |
| 45 | ProtectKernelTunables=yes | |
| 46 | ProtectSystem=strict | |
| 47 | Restart=on-failure | |
| 48 | RestrictAddressFamilies=AF_UNIX | |
| 49 | RestrictNamespaces=yes | |
| 50 | RestrictRealtime=yes | |
| 51 | RestrictSUIDSGID=yes | |
| 52 | SystemCallArchitectures=native | |
| 53 | SystemCallErrorNumber=EPERM | |
| 54 | SystemCallFilter=@system-service | |
| 55 | Type=notify | |
| 56 | User=systemd-oom | |
| 8b3d4ff0 | 57 | {{SERVICE_WATCHDOG}} |
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58 | |
| 59 | [Install] | |
| 60 | WantedBy=multi-user.target | |
| 61 | Alias=dbus-org.freedesktop.oom1.service |