SYSTEMD-OOMD.SERVICE(8) systemd-oomd.service SYSTEMD-OOMD.SERVICE(8) systemd-oomd.service, systemd-oomd - (OOM) systemd-oomd.service /usr/lib/systemd/systemd-oomd systemd-oomd cgroups-v2 (PSI) OOM . ManagedOOMSwap= ManagedOOMMemoryPressure= systemd.resource-control(5). systemd-oomd systemd(1) . Cgroups ManagedOOMSwap= ManagedOOMMemoryPressure= kill. systemd-oomd PSI cgroups . systemd-oomd cgroup SIGKILL . cgroup kill ( kill). cgroup cgroup memory.oom.group 1 OOMPolicy= systemd.service(5). oomctl(1) cgroup . oomd.conf(5) . org.freedesktop.oom1(5) org.freedesktop.LogControl1(5) D-Bus. systemd cgroup cgroups-v2 . systemd-oomd. DefaultMemoryAccounting= true systemd-system.conf(5). PSI. 4.20 . (swap) systemd-oomd . systemd-oomd . (livelocked) systemd-oomd . " : "[1] . . systemd-oomd . user.slice user-$UID.slice cgroup systemd ( systemd-oomd cgroup). GNOME KDE systemd. ManagedOOMSwap= -.slice cgroup . ManagedOOMMemoryPressure= cgroup . ( system.slice) 60% . user@$UID.service 40%. --dry-run systemd-oomd: cgroup. 253. -h --help . --version . SIGHUP SIGHUP systemd-oomd . 258. systemd(1), systemd-system.conf(5), systemd.resource-control(5), oomd.conf(5), oomctl(1), org.freedesktop.oom1(5) 1. " : " https://chrisdown.name/2018/01/02/in-defence-of-swap.html 3 . . : . systemd 260.2 SYSTEMD-OOMD.SERVICE(8)