Appeal No. 97-1372 Page 2
Application No. 08/117,337
The invention is directed to a data control system for a
computer’s main memory for storing list-structure data across
a real memory space and a virtual memory space. Claims 2 and
3 are as follows (Paper No. 15 (Pre-Amdt. D, 3 Sept. 1993) at
1 and 2):
2. A data control system for a computer’s main
memory for efficiently realizing virtualization of list
structure data lying across a real memory space and a
virtual memory space, comprising:
a real memory space having nodes linked by pointers,
with the pointers being represented by addresses in the
real memory space;
a virtual memory space having nodes linked by
pointers, with the pointers being represented by
addresses in the virtual memory space and addresses to
the real memory space, and wherein the nodes in the
virtual memory space are referenced to the nodes in the
real memory space by indirect pointers represented by
addresses of pointers in the real memory space and
addresses of pointers in the virtual memory space; and
means for moving the list structure data between the
real memory space and the virtual memory space as list
structure units.
3. A data control method for use with a computer’s
main memory for efficiently realizing virtualization of
list structure data lying across a real memory space and
a virtual memory space, comprising the steps of:
(a) listing a list structure unit by moving nodes in
the real memory space to a work area in the real memory
space and then transferring data of the list structure
unit from the work area in the real memory space to a
work area in the virtual memory space, so that the list
structure unit is listed-out to the virtual memory space;
and
(b) listing the list structure unit from the virtual
memory space to the real memory space.
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Last modified: November 3, 2007