MF_IMPL_HASH
if (bitset(MF_IMPL_HASH, map->map_mflags))
if (bitset(MF_IMPL_HASH, map->map_mflags))
map->map_mflags |= MF_IMPL_HASH;
map->map_mflags &= ~MF_IMPL_HASH;
if (bitset(MF_IMPL_HASH, map->map_mflags))
map->map_mflags &= ~MF_IMPL_HASH;