type runtime.heapArena

8 uses

	runtime (current package)
		malloc.go#L568: 		const arenaMetaSize = (1 << arenaBits) * unsafe.Sizeof(heapArena{})
		malloc.go#L737: 			l2 = (*[1 << arenaL2Bits]*heapArena)(persistentalloc(unsafe.Sizeof(*l2), sys.PtrSize, nil))
		malloc.go#L747: 		var r *heapArena
		malloc.go#L748: 		r = (*heapArena)(h.heapArenaAlloc.alloc(unsafe.Sizeof(*r), sys.PtrSize, &memstats.gcMiscSys))
		malloc.go#L750: 			r = (*heapArena)(persistentalloc(unsafe.Sizeof(*r), sys.PtrSize, &memstats.gcMiscSys))
		mheap.go#L156: 	arenas [1 << arenaL1Bits]*[1 << arenaL2Bits]*heapArena
		mheap.go#L227: type heapArena struct {
		mheap.go#L692: func pageIndexOf(p uintptr) (arena *heapArena, pageIdx uintptr, pageMask uint8) {

The pages are generated with Golds v0.2.8-preview. (GOOS=darwin GOARCH=arm64)