page_get_replacement_page
page_get_replacement_page(
pp_targ = page_get_replacement_page(pp,
page_t *page_get_replacement_page(page_t *, struct lgrp *, uint_t);
repl = page_get_replacement_page(targ, lgrp, flags);
rpp = page_get_replacement_page(tpp, NULL, PGR_NORELOC);
newpp = page_get_replacement_page(pp, to, PGR_SAMESZC);
replpp = page_get_replacement_page(pp, NULL, 0);