Managing swappable data structures in a plurality of memory devices based on access counts of the data structures

A system, comprising:

• a first level memory device;
• a second level memory device;
• a virtual memory manager to perform:
• generating, during system initialization, data structure information indicating that system data structures, generated during system initialization, are one of swappable data structures and non-swappable data structures based on estimated frequencies the system data structures will be accessed, wherein the non-swappable data structures are estimated to be more frequently accessed than the swappable data structures, wherein the non-swappable data structures are maintained in a first level memory device and not moved to a second level memory device, wherein the first level memory device has lower latency than the second level memory device, wherein the system data structures are identified as having a file name or object name and comprise configuration information for the system generated by an operating system;
• maintaining access counts for the swappable data structures stored in the first level memory device;
• selecting a swappable data structure in the first level memory device having lowest of the access counts of the swappable data structures in the first level memory device;
• removing the selected swappable data structure from the first level memory device;
• and
• retaining the selected swappable data structure in the second level memory device.

A method for managing data in a plurality of memory devices in a computing system, comprising:

• generating, during system initialization, data structure information indicating that system data structures, generating during system initialization, are one of swappable data structures or non-swappable data structures based on estimated frequencies the system data structures will be accessed, wherein the non-swappable data structures are estimated to be more frequently accessed than the swappable data structures, wherein the non-swappable data structures are maintained in a first level memory device and not moved to a second level memory device, wherein the first level memory device has lower latency than the second level memory device, wherein the system data structures are identified as having a file name or object name and comprise structures having configuration information for the computing system generated by an operating system;
• maintaining access counts for the swappable data structures stored in the first level memory device;
• selecting a swappable data structure in the first level memory device having a lowest of the access counts of the swappable data structures in the first level memory device;
• removing the selected swappable data structure from the first level memory device;
• and
• retaining the selected swappable data structure in the second level memory device.