PQ_REFERENCED
pg->pqflags &= ~PQ_REFERENCED;
if ((pg->pqflags & PQ_REFERENCED) != 0) {
pg->pqflags &= ~(PQ_SPECULATIVE|PQ_REFERENCED);
switch (pg->pqflags & (PQ_REFERENCED|PQ_TEST)) {
case PQ_REFERENCED|PQ_TEST:
case PQ_REFERENCED:
pg->pqflags &= ~PQ_REFERENCED;
pg->pqflags |= PQ_REFERENCED;
} else if ((pg->pqflags & PQ_REFERENCED) != 0 || \
(pg->pqflags & PQ_REFERENCED) ? "R" : "",
pg->pqflags |= PQ_REFERENCED;
pg->pqflags &= ~PQ_REFERENCED;
KASSERT((pg->pqflags & PQ_REFERENCED) == 0);
if ((pg->pqflags & PQ_REFERENCED) == 0) {