spans [pagesPerArena]*mspan

	// pageInUse is a bitmap that indicates which spans are in
	// state mSpanInUse. This bitmap is indexed by page number,
	// but only the bit corresponding to the first page in each
	// span is used.
	//
	// Reads and writes are atomic.
	pageInUse [pagesPerArena / 8]uint8

	// pageMarks is a bitmap that indicates which spans have any

	nextCandidate int
	// used is a bitmap used to track the CIDRs allocated
	used big.Int
	// label is used to identify the metrics
	label string
}

const (
	// The subnet mask size cannot be greater than 16 more than the cluster mask size
	// TODO: https://github.com/kubernetes/kubernetes/issues/44918
	// clusterSubnetMaxDiff limited to 16 due to the uncompressed bitmap

	ldr.SetAttrReachable(state.findfunctab, true)
	ldr.SetAttrLocal(state.findfunctab, true)
}

// findContainerSyms returns a bitmap, indexed by symbol number, where there's
// a 1 for every container symbol.
func (ctxt *Link) findContainerSyms() loader.Bitmap {
	ldr := ctxt.loader
	container := loader.MakeBitmap(ldr.NSym())
	// Find container symbols and mark them as such.
	for _, s := range ctxt.Textp {

// license that can be found in the LICENSE file.

package typebits

import (
	"cmd/compile/internal/base"
	"cmd/compile/internal/bitvec"
	"cmd/compile/internal/types"
)

// NOTE: The bitmap for a specific type t could be cached in t after
// the first run and then simply copied into bv at the correct offset
// on future calls with the same type t.
func Set(t *types.Type, off int64, bv bitvec.BitVec) {

		}
		n := nptr/8 + 1
		p := sysAlloc(n, &memstats.other_sys)
		if p == nil {
			throw("heapdump: out of memory")
		}
		tmpbuf = (*[1 << 30]byte)(p)[:n]
	}
	// Convert heap bitmap to pointer bitmap.
	clear(tmpbuf[:nptr/8+1])
	s := spanOf(p)
	tp := s.typePointersOf(p, size)
	for {
		var addr uintptr
		if tp, addr = tp.next(p + size); addr == 0 {
			break
		}

	cidrAllocator ipam.CIDRAllocator
}

// NewNodeIpamController returns a new node IP Address Management controller to
// sync instances from cloudprovider.
// This method returns an error if it is unable to initialize the CIDR bitmap with
// podCIDRs it has already allocated to nodes. Since we don't allow podCIDR changes
// currently, this should be handled as a fatal error.
func NewNodeIpamController(
	ctx context.Context,

 private:
  int id_;

  explicit DeviceId(int id) : id_(id) {}

  int id() const { return id_; }

  friend class DeviceInfoCache;
  friend class DeviceSet;
};

// A set of DeviceIds, represented as a bitmap.
class DeviceSet {
 public:
  void Insert(DeviceId device_id);
  void UnionWith(const DeviceSet& other);
  bool IsEmpty() const;

  // Calls `func` on each DeviceId in the set.  Stops iterating early if `func`

		return true
	}
	return false
}

// isHost reports whether c is a byte that can appear in a URL host,
// like www.example.com or user@[::1]:8080
func isHost(c byte) bool {
	// mask is a 128-bit bitmap with 1s for allowed bytes,
	// so that the byte c can be tested with a shift and an and.
	// If c > 128, then 1<<c and 1<<(c-64) will both be zero,
	// and this function will return false.
	const mask = 0 |

			} else {
				mheap_.freeSpan(s)
			}
			if s.largeType != nil && s.largeType.TFlag&abi.TFlagUnrolledBitmap != 0 {
				// The unrolled GCProg bitmap is allocated separately.
				// Free the space for the unrolled bitmap.
				systemstack(func() {
					s := spanOf(uintptr(unsafe.Pointer(s.largeType)))
					mheap_.freeManual(s, spanAllocPtrScalarBits)
				})

		// the size of the type, up to the size of the size class. This space
		// is safe for the GC to scan since it's zero, and GCBits checks to
		// make sure that's true. But we need to handle the fact that the bitmap
		// may be larger than we expect.
		return
	}
	t.Errorf("bad GC program for %v:\nwant %+v\ngot  %+v", name, mask0, mask)
}

func trimDead(mask []byte) []byte {