Patent 7415577 was granted and assigned to Intel on August, 2008 by the United States Patent and Trademark Office.
Briefly, in accordance with an embodiment of the invention, a method and apparatus to write back data is provided. The method may include setting a status corresponding to a block of data in response to a change in address mapping to indicate that the block of data is pending write back. The apparatus may include a storage area to store a status associated with a block of data to indicate that the block of data is pending write back and is not accessible with the current address mapping. Other embodiments are described and claimed.