Patent ID: 7519781
Filing Date: 2009-04-14
Classification: G06F

Abstract:
1. A method of storing page characteristics comprising: storing a first plurality of pages in a first memory; storing a second plurality of pages in a second memory; storing a first plurality of numeric values in a first plurality of locations during a first time, each of the first plurality of numeric values corresponding to a characteristic for one page in the first plurality of pages; storing a second plurality of numeric values in a second plurality of locations during a second time, the first time different than the second time, each of the second plurality of numeric values corresponding to the characteristic for one page in the first plurality of pages; and adding each first numeric value in the first plurality of numeric values to a corresponding second numeric value in the second plurality of numeric values to generate a histogram, wherein the first plurality of numeric values and the second plurality of numeric values are stored using a plurality of physical addresses.