Electrical computers and digital processing systems: memory – Storage accessing and control – Memory configuring
Reexamination Certificate
2006-02-14
2006-02-14
Elmore, Reba I. (Department: 2187)
Electrical computers and digital processing systems: memory
Storage accessing and control
Memory configuring
C711S203000, C711S206000
Reexamination Certificate
active
07000087
ABSTRACT:
A method and system for allocating pre-selected physical memory locations to an application executing on a data processing system. Memory allocation subroutines, interacting with the programming interfaces of the operating system (OS), allocates and looks down blocks of memory. The memory allocation subroutines then de-allocates the memory blocks based on whether or not the memory blocks fall within the pre-selected range of physical memory locations. The physical memory locations of the blocks locked down are discovered using the driver. The driver takes the virtual address of the specified memory locations and returns with a corresponding physical address. The memory allocation subroutines provide functions that allow the program developer to specify the number of physical pages to allocate and a range of physical addresses and comprises algorithm(s) that allocates the physical memory within the selected range.
REFERENCES:
patent: 5619696 (1997-04-01), Nakagawa
patent: 5784699 (1998-07-01), McMahon et al.
patent: 5950231 (1999-09-01), Nichol
patent: 0851353 (1998-07-01), None
Atherton William Edward
Kallem Raghunath Reddy
Rudda, Jr. David James
Wu David C.
Dillon & Yudell LLP
Elmore Reba I.
McKinley Martin J.
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