* pam_systemd: try to get old session id from cgroup, if audit sessionid cannot be determined
+* pam: when leaving a session explicitly exclude the ReleaseSession() caller process from the killing spree
+
* maybe introduce ~/.config/locale.conf and apply it within PAM
* readahead: make use of EXT4_IOC_MOVE_EXT, as used by http://e4rat.sourceforge.net/