const runtime.heapArenaBitmapBytes

7 uses

	runtime (current package)
		malloc.go#L253: 	heapArenaBitmapBytes = heapArenaBytes / (sys.PtrSize * 8 / 2)
		malloc.go#L424: 	if heapArenaBitmapBytes&(heapArenaBitmapBytes-1) != 0 {
		mbitmap.go#L320: 	h.bitp = &ha.bitmap[(addr/(sys.PtrSize*4))%heapArenaBitmapBytes]
		mbitmap.go#L475: 	h.arena += 1 + uint32(past/heapArenaBitmapBytes)
		mbitmap.go#L479: 		h.bitp = &a.bitmap[past%heapArenaBitmapBytes]
		mheap.go#L231: 	bitmap [heapArenaBitmapBytes]byte