// Other types of scan work are flushed immediately.
	heapScanWork int64

	// flushedWork indicates that a non-empty work buffer was
	// flushed to the global work list since the last gcMarkDone
	// termination check. Specifically, this indicates that this
	// gcWork may have communicated work to another gcWork.
	flushedWork bool
}

// Most of the methods of gcWork are go:nowritebarrierrec because the