remove -= removing
		leaves = leaves[1:]
	}
}

// forceCompact will force compact the cache of the top entry.
// If the number of children is more than limit*100, it will compact self.
// When above the limit a cleanup will also be performed to remove any possible abandoned entries.
func (d *dataUsageCache) forceCompact(limit int) {
	if d == nil || len(d.Cache) <= limit {
		return
	}

	folder := cachedFolder{name: cache.Info.Name, objectHealProbDiv: 1}
	err := s.scanFolder(ctx, folder, &root)
	if err != nil {
		// No useful information...
		return cache, err
	}
	s.newCache.forceCompact(dataScannerCompactAtChildren)
	s.newCache.Info.LastUpdate = UTCNow()
	s.newCache.Info.NextCycle = cache.Info.NextCycle
	return s.newCache, nil
}