page_trycapture
ret = page_trycapture(pp, 0, flags | CAPTURE_PHYSMEM, curproc);
int page_trycapture(page_t *pp, uint_t szc, uint_t flags, void *datap);
if (page_trycapture(pp, 0, CAPTURE_RETIRE, pp->p_vnode) == 0) {
int page_trycapture(page_t *pp, uint_t szc, uint_t flags, void *datap);
(void) page_trycapture(pp, szc, flags, datap);
ret = page_trycapture(pp, szc,