Nishal Kulkarni
38c41427c7
To notify user of kill events from systemd-oomd we now use `SERVICE_FAILURE_OOM_KILL` as the failure result. `unit_check_oomd_kill` now calls `notify_cgroup_oom` to update the service result to `oom-kill`. We add a new xattr `user.oomd_ooms` to keep track of the OOM kills initiated by systemd-oomd, this helps us resolve a race between sending SIGKILL to processes and checking for OOM kill status from the xattr. Related to: #20649
System and Service Manager
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