Patent ID: 7389398

Claim:
A method comprising: establishing two partitions, including a first partition and a second partition, in a computer system; designating a first memory page in memory space controlled by the first partition; designating a second memory page in memory space controlled by the second partition; storing an address of the first memory page in an address mapping array that is accessible by the first partition; storing an address of the second memory page in an address mapping array that is accessible by the second partition; and exchanging the address of the first memory page in the address mapping array that is accessible by the first partition with the address of the second memory page in the address mapping array that is accessible by the second partition; wherein: the designating the first memory page includes executing a first instance of a first instruction, said first instance of said first instruction taking at least one argument, the at least one argument including a physical address of the first memory page; and the at least one argument includes an index that indicates a interpartition bridge between the first and the second partitions.