K 10 svn:author V 3 alc K 8 svn:date V 27 2004-11-20T20:52:35.000000Z K 7 svn:log V 206 MFC revisions 1.30 and 1.31 - Eliminate an unused but initialized variable. - Introduce a Boolean variable wakeup_needed to avoid repeated, unnecessary calls to wakeup() by vm_page_zero_idle_wakeup(). END