PBUSY_SWAPINPROG
PBUSY_SWAPINPROG);
if ((busy_count & PBUSY_SWAPINPROG) == 0)
PBUSY_SWAPINPROG | PBUSY_WANTED)) {
atomic_set_int(&mreq->busy_count, PBUSY_SWAPINPROG);
PBUSY_SWAPINPROG);
PBUSY_SWAPINPROG);
atomic_clear_int(&m->busy_count, PBUSY_SWAPINPROG);
atomic_clear_int(&m->busy_count, PBUSY_SWAPINPROG);
if (m.busy_count & PBUSY_SWAPINPROG)
if (m.busy_count & PBUSY_SWAPINPROG)
if (m.busy_count & PBUSY_SWAPINPROG)