const runtime.pagesPerSpanRoot

7 uses

	runtime (current package)
		malloc.go#L470: 	if pagesPerArena%pagesPerSpanRoot != 0 {
		malloc.go#L471: 		print("pagesPerArena (", pagesPerArena, ") is not divisible by pagesPerSpanRoot (", pagesPerSpanRoot, ")\n")
		mgcmark.go#L49: 	pagesPerSpanRoot = 512
		mgcmark.go#L97: 	work.nSpanRoots = len(mheap_.markArenas) * (pagesPerArena / pagesPerSpanRoot)
		mgcmark.go#L319: 	ai := mheap_.markArenas[shard/(pagesPerArena/pagesPerSpanRoot)]
		mgcmark.go#L321: 	arenaPage := uint(uintptr(shard) * pagesPerSpanRoot % pagesPerArena)
		mgcmark.go#L325: 	specialsbits = specialsbits[:pagesPerSpanRoot/8]