Use a faster command

script/rc.conf.in

@@ -26,3 +26,7 @@
 # /sys/fs/cgroup in hybrid or legacy mode
 
 # HAVE_CONTROLLER1_GROUPS="true"
+
+# Set to 'yes' to remove all files from /tmp
+
+# CLEANTMP="no"

sv.d/cleanup.in

@@ -13,6 +13,7 @@ cleaning(){
     fi
 
     rm -f /etc/nologin /forcefsck /forcequotacheck /fastboot
+    [ "$CLEANTMP" == "yes" ] && find /tmp -maxdepth 1 -name '[!ajlq\.]*' -exec rm -rf -- {} +
 }
 
 case "$1" in