// and is otherwise unrelated to h.curArena.base.
	end := h.curArena.base + ask
	nBase := alignUp(end, physPageSize)
	if nBase > h.curArena.end || /* overflow */ end < h.curArena.base {
		// Not enough room in the current arena. Allocate more
		// arena space. This may not be contiguous with the
		// current arena, so we have to request the full ask.
		av, asize := h.sysAlloc(ask, &h.arenaHints, true)
		if av == nil {

        // not compiled by XLA altogether or, if assigned to an XLA_* device
        // with "must compile" semantics, compiled into a trivial single-op
        // cluster.  This approach leaves some room for improvement, and we can
        // consider implementing a more aggressive data-flow-analysis based
        // solution in the future if needed.
        //

	// text size is smaller than TrampLimit, we won't need to insert trampolines.
	// It is pretty close to the offset range of a direct CALL machine instruction.
	// We leave some room for extra stuff like PLT stubs.
	TrampLimit uint64

	// Empty spaces between codeblocks will be padded with this value.
	// For example an architecture might want to pad with a trap instruction to

	s.used |= regMask(1) << r
	s.f.setHome(c, &s.registers[r])
}

// allocReg chooses a register from the set of registers in mask.
// If there is no unused register, a Value will be kicked out of
// a register to make room.
func (s *regAllocState) allocReg(mask regMask, v *Value) register {
	if v.OnWasmStack {
		return noRegister
	}

	mask &= s.allocatable
	mask &^= s.nospill
	if mask == 0 {

			Status:  metav1.StatusFailure,
			Message: err.Error(),
			Reason:  metav1.StatusReasonInternalError,
			Code:    http.StatusInternalServerError,
		}
	}

	// Create a watcher with room for a single event, populate it, and close the channel
	watcher := &errWatcher{result: make(chan watch.Event, 1)}
	watcher.result <- errEvent
	close(watcher.result)

	return watcher
}

			payloadBytes -= c.out.mac.Size()
		case cipher.AEAD:
			payloadBytes -= ciph.Overhead()
		case cbcMode:
			blockSize := ciph.BlockSize()
			// The payload must fit in a multiple of blockSize, with
			// room for at least one padding byte.
			payloadBytes = (payloadBytes & ^(blockSize - 1)) - 1
			// The MAC is appended before padding so affects the
			// payload size directly.
			payloadBytes -= c.out.mac.Size()
		default:

	// divisors of Second
	f1 := func(ti int64, tns int32, logdi int32) bool {
		d := Duration(1)
		a, b := uint(logdi%9), (logdi>>16)%9
		d <<= a
		for i := 0; i < int(b); i++ {
			d *= 5
		}

		// Make room for unix ↔ internal conversion.
		// We don't care about behavior too close to ± 2^63 Unix seconds.
		// It is full of wraparounds but will never happen in a reasonable program.

			// print nanoseconds
			prec = 0
			buf[w] = 'n'
		case u < uint64(Millisecond):
			// print microseconds
			prec = 3
			// U+00B5 'µ' micro sign == 0xC2 0xB5
			w-- // Need room for two bytes.
			copy(buf[w:], "µ")
		default:
			// print milliseconds
			prec = 6
			buf[w] = 'm'
		}
		w, u = fmtFrac(buf[:w], u, prec)
		w = fmtInt(buf[:w], u)
	} else {
		w--

		// Tuned loosely via Ziegler-Nichols process.
		kp: 0.3375,
		ti: 3.2e6,
		tt: 1e9, // 1 second reset time.

		// These ranges seem wide, but we want to give the controller plenty of
		// room to hunt for the optimal value.
		min: 0.001,  // 1:1000
		max: 1000.0, // 1000:1
	}
	s.sleepRatio = startingScavSleepRatio

	// Install real functions if stubs aren't present.
	if s.scavenge == nil {

	// intended to help recover from such a situation. By pushing the heap goal down, we also
	// push the trigger down, triggering and finishing a GC sooner in order to make room for
	// other memory sources. Note that since we're effectively reducing the heap goal by X bytes,
	// we're actually giving more than X bytes of headroom back, because the heap goal is in