const runtime.wordsPerBitmapByte

5 uses

	runtime (current package)
		mbitmap.go#L59: 	wordsPerBitmapByte = 8 / 2 // heap words described by one bitmap byte
		mbitmap.go#L748: 	if nw%wordsPerBitmapByte != 0 {
		mbitmap.go#L757: 		nbyte := anw / wordsPerBitmapByte
		mbitmap.go#L926: 		hb |= hb << wordsPerBitmapByte
		mbitmap.go#L1544: 	endAlloc := unsafe.Pointer(addb(h.bitp, allocSize/sys.PtrSize/wordsPerBitmapByte))