NDENTRIES
KASSERT(n > NDENTRIES);
KASSERT(n > NDENTRIES);
KASSERT(i >= NDENTRIES * NDENTRIES);
sub = bitmap[off] | ((u_int)~0 >> (NDENTRIES - i));
(last + NDENTRIES - 1) >> NDENTRYSHIFT);
hi > off ? 0 : i & NDENTRYMASK, NDENTRIES);
uint32_t fd_dhimap[NDENTRIES >> NDENTRYSHIFT];
uint32_t fd_dlomap[NDENTRIES];
#define NDENTRYMASK (NDENTRIES - 1)
#define NDLOSLOTS(x) (((x) + NDENTRIES - 1) >> NDENTRYSHIFT)
#define NDHISLOTS(x) ((NDLOSLOTS(x) + NDENTRIES - 1) >> NDENTRYSHIFT)