Patent ID: 6757793
Filing Date: 2004-06-29
Classification: G06F

Abstract:
An apparatus comprising:a table configured to store a plurality of records, wherein a first record of said plurality of records is configured to identify a first block previously received as a victim block by a memory controller; and a control circuit coupled to said table, wherein said control circuit is configured to inhibit issuance of one or more probes for a first read command responsive to said first read command accessing said first block; wherein said control circuit is configured to selectively allocate a second record of said plurality of records to a second block during processing of said second block as a victim block by said memory controller; and wherein said control circuit is further configured to process said second block by transmitting a first message to a source of said second block and receiving a second message from said source in response to said first message, and wherein said second message includes an indication of whether or not said second block was shared by said source.