Patent ID: 7882314
Filing Date: 2011-02-01
Classification: G06F

Abstract:
1. A method of scrubbing a memory in a computer system, the method comprising the steps of: during a particular request selector cycle, receiving, by a request selector, at least one read request; during the particular request selector cycle, receiving, by the request selector, a first scrub request for scrubbing a first block of data in the memory; during the particular request selector cycle, receiving, by the request selector, a second scrub request for scrubbing a second block of data in the memory; examing a value of a scrub priority; when the value of the scrub priority indicates that a memory workload is less than a first value, servicing the first scrub request or the second scrub request; and when the value of the scrub priority indicates that the memory workload is above a second value, servicing the read request.