const runtime.heapArenaBitmapWords

8 uses

	runtime (current package)
		malloc.go#L258: 	heapArenaBitmapWords = heapArenaWords / (8 * goarch.PtrSize)
		malloc.go#L380: 	if heapArenaBitmapWords&(heapArenaBitmapWords-1) != 0 {
		mbitmap.go#L813: 	idx := h.addr / (ptrBits * goarch.PtrSize) % heapArenaBitmapWords
		mbitmap.go#L866: 	idx := h.addr / (ptrBits * goarch.PtrSize) % heapArenaBitmapWords
		mbitmap.go#L894: 		idx := h.addr / (ptrBits * goarch.PtrSize) % heapArenaBitmapWords
		mheap.go#L243: 	bitmap [heapArenaBitmapWords]uintptr
		mheap.go#L256: 	noMorePtrs [heapArenaBitmapWords / 8]uint8