const runtime.pagesPerSpanRoot

7 uses

	runtime (current package)
		malloc.go#L451: 	if pagesPerArena%pagesPerSpanRoot != 0 {
		malloc.go#L452: 		print("pagesPerArena (", pagesPerArena, ") is not divisible by pagesPerSpanRoot (", pagesPerSpanRoot, ")\n")
		mgcmark.go#L53: 	pagesPerSpanRoot = min(512, pagesPerArena)
		mgcmark.go#L146: 	work.nSpanRoots = len(mheap_.markArenas) * (pagesPerArena / pagesPerSpanRoot)
		mgcmark.go#L413: 	ai := mheap_.markArenas[shard/(pagesPerArena/pagesPerSpanRoot)]
		mgcmark.go#L415: 	arenaPage := uint(uintptr(shard) * pagesPerSpanRoot % pagesPerArena)
		mgcmark.go#L419: 	specialsbits = specialsbits[:pagesPerSpanRoot/8]

The pages are generated with Golds v0.8.4. (GOOS=linux GOARCH=amd64)