unit: add conditions and deps to make oomd.socket and .service consistent

Fixes #27690.

diff --git a/units/systemd-oomd.socket b/units/systemd-oomd.socket
index 47cd0e755589016b5449a89d6dbb959f08350c17..70eb6b7bc3c4d133b1928be224e2b67e04d5dd13 100644 (file)
--- a/units/systemd-oomd.socket
+++ b/units/systemd-oomd.socket
@@ -11,7 +11,13 @@
 Description=Userspace Out-Of-Memory (OOM) Killer Socket
 Documentation=man:systemd-oomd.service(8)
 DefaultDependencies=no
-Before=sockets.target
+Before=sockets.target shutdown.target
+Conflicts=shutdown.target
+ConditionControlGroupController=v2
+ConditionControlGroupController=memory
+ConditionPathExists=/proc/pressure/cpu
+ConditionPathExists=/proc/pressure/io
+ConditionPathExists=/proc/pressure/memory
 
 [Socket]
 ListenStream=/run/systemd/oom/io.system.ManagedOOM