//sysnb	EpollCtl(epfd int, op int, fd int, event *EpollEvent) (err error)
//sys	Eventfd(initval uint, flags int) (fd int, err error) = SYS_EVENTFD2
//sys	Exit(code int) = SYS_EXIT_GROUP
//sys	Fallocate(fd int, mode uint32, off int64, len int64) (err error)
//sys	Fchdir(fd int) (err error)
//sys	Fchmod(fd int, mode uint32) (err error)
//sys	Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error)

// to safely deal with potentially invalid pointers, since resolving
// such pointers may race with a span being allocated.
type mSpanState uint8

const (
	mSpanDead   mSpanState = iota
	mSpanInUse             // allocated for garbage collected heap
	mSpanManual            // allocated for manual management (e.g., stack allocator)
)

// mSpanStateNames are the names of the span states, indexed by
// mSpanState.

// persistentChunkSize is the number of bytes we allocate when we grow
// a persistentAlloc.
const persistentChunkSize = 256 << 10

// persistentChunks is a list of all the persistent chunks we have
// allocated. The list is maintained through the first word in the
// persistent chunk. This is updated atomically.
var persistentChunks *notInHeap

// Wrapper around sysAlloc that can allocate small chunks.

			clearAllocation := state.informationsForClaim[index].structuredParameters

			// Before we tell a driver to deallocate a claim, we
			// have to stop telling it to allocate. Otherwise,
			// depending on timing, it will deallocate the claim,
			// see a PodSchedulingContext with selected node, and
			// allocate again for that same node.
			if !clearAllocation &&
				state.podSchedulingState.schedulingCtx != nil &&

//
// Allocation occurs normally until we reach (3) and we realize we have
// a use of v and it isn't in any register. At that point, we allocate
// a spill (a StoreReg) for v. We can't determine the correct place for
// the spill at this point, so we allocate the spill as blockless initially.
// The restore is then generated to load v back into a register so it can

	as.Equal(1, len(testManager.endpoints))

	// Stops resourceName2 endpoint. Verifies its stopTime is set, allocate and
	// preStartContainer calls return errors.
	e2.client.Disconnect()
	as.False(e2.stopTime.IsZero())
	_, err = e2.allocate([]string{"Device1"})
	reflect.DeepEqual(err, fmt.Errorf(errEndpointStopped, e2))
	_, err = e2.preStartContainer([]string{"Device1"})

			want: want{
				prefilter: result{
					status: framework.NewStatus(framework.Skip),
				},
				postfilter: result{
					status: framework.NewStatus(framework.Unschedulable, `no new claims to deallocate`),
				},
			},
		},
		"claim-reference": {
			pod:    podWithClaimName,
			claims: []*resourcev1alpha2.ResourceClaim{allocatedClaim, otherClaim},
			want: want{
				prebind: result{

		if d.fn != nil {
			// Scan the func value, which could be a stack allocated closure.
			// See issue 30453.
			scanblock(uintptr(unsafe.Pointer(&d.fn)), goarch.PtrSize, &oneptrmask[0], gcw, &state)
		}
		if d.link != nil {
			// The link field of a stack-allocated defer record might point
			// to a heap-allocated defer record. Keep that heap record live.

// elsewhere.
var disableMemoryProfiling bool

// A MemProfileRecord describes the live objects allocated
// by a particular call sequence (stack trace).
type MemProfileRecord struct {
	AllocBytes, FreeBytes     int64       // number of bytes allocated, freed
	AllocObjects, FreeObjects int64       // number of objects allocated, freed
	Stack0                    [32]uintptr // stack trace for this record; ends at first 0 entry
}

	lastStackScan atomic.Uint64

	// maxStackScan is the amount of allocated goroutine stack space in
	// use by goroutines.
	//
	// This number tracks allocated goroutine stack space rather than used
	// goroutine stack space (i.e. what is actually scanned) because used
	// goroutine stack space is much harder to measure cheaply. By using
	// allocated space, we make an overestimate; this is OK, it's better