Flush This!

I came across this today and learned something new so thought I would share it here. After killing 2 processes that had hung I noticed the following in the ps output: root       373     2  0 Jun11 ?        00:00:00 [kdmflush] root       375     2  0 Jun11 ?        00:00:00 [kdmflush] root       863     2  0 Jun11 ?        00:00:00 [kdmflush] […]