mProf_Flush()
		return true
	}

	// Background sweep.
	lock(&sweep.lock)
	if sweep.parked {
		sweep.parked = false
		ready(sweep.g, 0, true)
	}
	unlock(&sweep.lock)
	return false
}

// gcResetMarkState resets global state prior to marking (concurrent
// or STW) and resets the stack scan state of all Gs.
//
// This is safe to do without the world stopped because any Gs created

	// access (since that may free the backing store).
	allspans []*mspan // all spans out there

	// Proportional sweep
	//
	// These parameters represent a linear function from gcController.heapLive
	// to page sweep count. The proportional sweep system works to
	// stay in the black by keeping the current page sweep count
	// above this line at the current gcController.heapLive.
	//

		if sweepDistTrigger > goal {
			// Set the goal to maintain a minimum sweep distance since
			// the last call to commit. Note that we never want to do this
			// if we're in the memory limit regime, because it could push
			// the goal up.
			goal = sweepDistTrigger
		}
		// Since we ignore the sweep distance trigger in the memory
		// limit regime, we need to ensure we don't propagate it to

	// naively count them, we would get a skew toward mallocs.
	//
	// Hence, we delay information to get consistent snapshots as
	// of mark termination. Allocations count toward the next mark
	// termination's snapshot, while sweep frees count toward the
	// previous mark termination's snapshot:
	//
	//              MT          MT          MT          MT
	//             .·|         .·|         .·|         .·|

	return curCtx, true, nil
}

func (o *ordering) advanceGCSweepBegin(ev *baseEvent, evt *evTable, m ThreadID, gen uint64, curCtx schedCtx) (schedCtx, bool, error) {
	// Handle sweep, which is bound to a P and doesn't require a G.
	if err := validateCtx(curCtx, event.SchedReqs{Thread: event.MustHave, Proc: event.MustHave, Goroutine: event.MayHave}); err != nil {
		return curCtx, false, err
	}

		})
	}

	// Clean up transitioned objects from remote tier
	for _, os := range oss {
		if os == nil { // skip objects that weren't deleted due to invalid versionID etc.
			continue
		}
		os.Sweep()
	}
}

// PutBucketHandler - PUT Bucket
// ----------
// This implementation of the PUT operation creates a new bucket for authenticated request

			}
			// Check that this span was swept (it may be cached or uncached).
			if !useCheckmark && !(s.sweepgen == sg || s.sweepgen == sg+3) {
				// sweepgen was updated (+2) during non-checkmark GC pass
				print("sweep ", s.sweepgen, " ", sg, "\n")
				throw("gc: unswept span")
			}

			// Lock the specials to prevent a special from being
			// removed from the list while we're traversing it.
			lock(&s.speciallock)

				// If named == typed we must have parameters that have no types,
				// and they must be at the end of the parameter list, otherwise
				// the types would have been filled in by the right-to-left sweep
				// above and we wouldn't have an error. Since we are in a type
				// parameter list, the missing types are constraints.
				if named == typed {
					errPos = end // position error at closing ]

				// If named == typed we must have parameters that have no types,
				// and they must be at the end of the parameter list, otherwise
				// the types would have been filled in by the right-to-left sweep
				// above and we wouldn't have an error. Since we are in a type
				// parameter list, the missing types are constraints.
				if named == typed {
					errPos = p.pos // position error at closing ]

				tier = oi.TransitionedObject.Tier
			}
			if sizeS.tiers != nil {
				if st, ok := sizeS.tiers[tier]; ok {
					sizeS.tiers[tier] = st.add(oi.tierStats())
				}
			}
		}

		// apply tier sweep action on free versions
		for _, freeVersion := range fivs.FreeVersions {
			oi := freeVersion.ToObjectInfo(item.bucket, item.objectPath(), versioned)
			done = globalScannerMetrics.time(scannerMetricTierObjSweep)