scavenger.sleep(workTime)
	}
}

// scavenge scavenges nbytes worth of free pages, starting with the
// highest address first. Successive calls continue from where it left
// off until the heap is exhausted. force makes all memory available to
// scavenge, ignoring huge page heuristics.
//
// Returns the amount of memory scavenged in bytes.
//

		s = h.allocMSpanLocked()
	}
	unlock(&h.lock)

HaveSpan:
	// Decide if we need to scavenge in response to what we just allocated.
	// Specifically, we track the maximum amount of memory to scavenge of all
	// the alternatives below, assuming that the maximum satisfies *all*
	// conditions we check (e.g. if we need to scavenge X to satisfy the
	// memory limit and Y to satisfy heap-growth scavenging, and Y > X, then

	// Reset assist time and background time stats.
	//
	// Do this now, instead of at the start of the next GC cycle, because
	// these two may keep accumulating even if the GC is not active.
	scavenge.assistTime.Store(0)
	scavenge.backgroundTime.Store(0)

	// Reset idle time stat.
	sched.idleTime.Store(0)

	if work.userForced {
		memstats.numforcedgc++
	}

// userForced indicates whether the current GC cycle was forced
// by the application.
func (c *gcControllerState) endCycle(now int64, procs int, userForced bool) {
	// Record last heap goal for the scavenger.
	// We'll be updating the heap goal soon.
	gcController.lastHeapGoal = c.heapGoal()

	// Compute the duration of time for which assists were turned on.
	assistDuration := now - c.markStartTime