sys/vm/vm_page.c

866         mem->hold_count++;
874 	KASSERT(mem->hold_count >= 1, ("vm_page_unhold: hold count < 0!!!"));
875 	--mem->hold_count;
876 	if (mem->hold_count == 0 && (mem->flags & PG_UNHOLDFREE) != 0)
1714 	KASSERT(m->hold_count == 0, ("vm_page_alloc: page %p is held", m));
2022 	KASSERT(m->hold_count == 0,
2218 		if (m->wire_count != 0 || m->hold_count != 0)
2247 				    m->hold_count != 0) {
2425 		if (m->wire_count != 0 || m->hold_count != 0)
2443 				    m->hold_count != 0) {
3021 	if (m->hold_count != 0) {
3234 	if (m->dirty || m->hold_count || m->wire_count ||
3257 	if (m->dirty || m->hold_count || m->wire_count ||
3284 	    m->hold_count || m->wire_count)
3970 	    m->queue, m->hold_count, m->wire_count, m->aflags, m->oflags,