Patent ID: 6785789
Filing Date: 2004-08-31
Classification: G06F

Abstract:
A method comprising:copying data from a memory region of a first memory to a memory region of a second memory; setting a first bit in memory that corresponds to the memory region of the second memory, wherein the first bit is set to indicate that the memory region of the second memory stores data copied from the memory region of first memory; modifying data stored in the memory region of the second memory after data is copied from the memory region of the first memory to the memory region of the second memory; setting a second bit in memory, wherein the second bit is set to indicate that the data stored in the memory region of the second memory has been modified since data stored in the memory region of the second memory was copied from the memory region of the first memory; generating a request to copy all data in the first memory to the second memory; wherein data stored in the memory region of the second memory is modified after the request to copy all data is generated but before the remaining data in the first memory is copied to the second memory.