const runtime.pageShift

3 uses

	runtime (current package)
		malloc.go#L119: 	pageShift = _PageShift
		mpagealloc.go#L61: 	logPallocChunkBytes = logPallocChunkPages + pageShift
		stack.go#L170: 	free [heapAddrBits - pageShift]mSpanList // free lists by log_2(s.npages)