type runtime.heapArena

9 uses

	runtime (current package)
		malloc.go#L572: 		const arenaMetaSize = (1 << arenaBits) * unsafe.Sizeof(heapArena{})
		malloc.go#L768: 			l2 = (*[1 << arenaL2Bits]*heapArena)(sysAllocOS(unsafe.Sizeof(*l2)))
		malloc.go#L783: 		var r *heapArena
		malloc.go#L784: 		r = (*heapArena)(h.heapArenaAlloc.alloc(unsafe.Sizeof(*r), goarch.PtrSize, &memstats.gcMiscSys))
		malloc.go#L786: 			r = (*heapArena)(persistentalloc(unsafe.Sizeof(*r), goarch.PtrSize, &memstats.gcMiscSys))
		malloc.go#L914: 		l2 := (*[1 << arenaL2Bits]*heapArena)(atomic.Loadp(unsafe.Pointer(&h.arenas[i])))
		mheap.go#L147: 	arenas [1 << arenaL1Bits]*[1 << arenaL2Bits]*heapArena
		mheap.go#L247: type heapArena struct {
		mheap.go#L737: func pageIndexOf(p uintptr) (arena *heapArena, pageIdx uintptr, pageMask uint8) {

The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)