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++
	}