// <4 core machines, we are still at the whim of the kernel scheduler.
	runtime.GOMAXPROCS(4)

	go func() {
		// Stop the world; race with LockOSThread below.
		var m runtime.MemStats
		for {
			runtime.ReadMemStats(&m)
		}
	}()

	// Try to synchronize both LockOSThreads.
	start := time.Now().Add(10 * time.Millisecond)

	var wg sync.WaitGroup
	wg.Add(2)

	// won't change out from under us).
	stats := memstats.heapStats.acquire()
	atomic.Xaddint64(&stats.committed, -int64(s.npages*pageSize))
	atomic.Xaddint64(&stats.inHeap, -int64(s.npages*pageSize))
	atomic.Xadd64(&stats.largeFreeCount, 1)
	atomic.Xadd64(&stats.largeFree, int64(s.elemsize))
	memstats.heapStats.release()

	// This counts as a free, so update heapLive.

		if l2[ri.l2()] != nil {
			throw("arena already initialized")
		}
		var r *heapArena
		r = (*heapArena)(h.heapArenaAlloc.alloc(unsafe.Sizeof(*r), goarch.PtrSize, &memstats.gcMiscSys))
		if r == nil {
			r = (*heapArena)(persistentalloc(unsafe.Sizeof(*r), goarch.PtrSize, &memstats.gcMiscSys))
			if r == nil {
				throw("out of memory allocating heap arena metadata")
			}
		}

		// Register the arena in allArenas if requested.

		case "/gc/heap/tiny/allocs:objects":
			// Currently, MemStats adds tiny alloc count to both Mallocs AND Frees.
			// The reason for this is because MemStats couldn't be extended at the time
			// but there was a desire to have Mallocs at least be a little more representative,
			// while having Mallocs - Frees still represent a live object count.
			// Unfortunately, MemStats doesn't actually export a large allocation count,

			// wasn't totally filled, but then swept, still has all of its
			// free slots zeroed.
			s.needzero = 1
			stats := memstats.heapStats.acquire()
			atomic.Xadd64(&stats.smallFreeCount[spc.sizeclass()], int64(nfreed))
			memstats.heapStats.release()

			// Count the frees in the inconsistent, internal stats.
			gcController.totalFree.Add(int64(nfreed) * int64(s.elemsize))
		}

}

// memoryUsage converts working set into a resource quantity.
func memoryUsage(memStats *statsapi.MemoryStats) *resource.Quantity {
	if memStats == nil || memStats.WorkingSetBytes == nil {
		return &resource.Quantity{Format: resource.BinarySI}
	}
	usage := int64(*memStats.WorkingSetBytes)
	return resource.NewQuantity(usage, resource.BinarySI)
}

					}(),
					PoolNumbers: server.PoolNumbers,
					MemStats: madmin.MemStats{
						Alloc:      server.MemStats.Alloc,
						TotalAlloc: server.MemStats.TotalAlloc,
						Mallocs:    server.MemStats.Mallocs,
						Frees:      server.MemStats.Frees,
						HeapAlloc:  server.MemStats.HeapAlloc,
					},
					GoMaxProcs:     server.GoMaxProcs,
					NumCPU:         server.NumCPU,

	const (
		BatchSize      = 32
		BatchCount     = 256
		ArraySize      = 1024
		RecursionDepth = 128
	)
	if testing.Short() {
		return
	}
	defer GOMAXPROCS(GOMAXPROCS(BatchSize))
	s0 := new(MemStats)
	ReadMemStats(s0)
	for b := 0; b < BatchCount; b++ {
		c := make(chan bool, BatchSize)
		for i := 0; i < BatchSize; i++ {
			go func() {
				var f func(k int, a [ArraySize]byte)

	// Find out that stack size for our own stack guard.
	if pthread_attr_getstacksize(&attr, &stacksize) != 0 {
		writeErrStr(failthreadcreate)
		exit(1)
	}
	g0.stack.hi = stacksize // for mstart
	memstats.stacks_sys.add(int64(stacksize))

	// Tell the pthread library we won't join with this thread.
	if pthread_attr_setdetachstate(&attr, _PTHREAD_CREATE_DETACHED) != 0 {
		writeErrStr(failthreadcreate)
		exit(1)
	}

	if change > 0 && headroom <= uint64(change) {
		l.overflow += uint64(change) - headroom
		l.bucket.fill = l.bucket.capacity
		if !enabled {
			l.enabled.Store(true)
			l.lastEnabledCycle.Store(memstats.numgc + 1)
		}
		return
	}

	// Handle non-limiting cases.
	if change < 0 && l.bucket.fill <= uint64(-change) {
		// Bucket emptied.
		l.bucket.fill = 0
	} else {
		// All other cases.