Patent ID: 9158781
Filing Date: 2015-10-13
Classification: G06F

Abstract:
1. A method comprising: modifying a first portion of data available for use by a computer system; determining whether the first portion of data is high priority data or is not high priority data; if the determining indicates that the first portion of data is high priority data if the determining indicates that the first portion of data is not high priority data creating a first extent specifier to point to a location in the memory where data of a particular copied portion is stored, and to define a length of the data that is included in the particular copied portion pointed to by the first extent specifier, wherein the first extent specifier comprises a starting address for the particular copied portion and the length of data in the particular copied portion; and creating a second extent specifier to point to a starting address of the copy of the data available for use by the computer system, and to define a length of data in the copy of the data pointed to by the second extent specifier.