On 01/06, Oleg Nesterov wrote: > > To be honest, I don't understand the wait_address check in poll_wait(), > it seems that wait_address is never NULL. Yes, $ git grep -E '\bpoll_wait\(' | perl -wne '/\(.*?,\s*\&/ or print' doesn't find anything "interesting". I think the wait_address check should die, it only adds the unnecessary confusion. Oleg.